649300680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:305

約数の個数: 384

約数和(自身を含む): 2587852800

約数和(自身を除く): 1938552120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 71, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 142, 152, 168, 171, 180, 190, 191, 210, 213, 228, 252, 266, 280, 284, 285, 315, 342, 355, 360, 380, 382, 399, 420, 426, 456, 497, 504, 532, 568, 570, 573, 630, 639, 665, 684, 710, 760, 764, 798, 840, 852, 855, 955, 994, 1064, 1065, 1140, 1146, 1197, 1260, 1278, 1330, 1337, 1349, 1368, 1420, 1491, 1528, 1596, 1704, 1710, 1719, 1910, 1988, 1995, 2130, 2280, 2292, 2394, 2485, 2520, 2556, 2660, 2674, 2698, 2840, 2865, 2982, 3192, 3195, 3420, 3438, 3629, 3820, 3976, 3990, 4011, 4047, 4260, 4473, 4584, 4788, 4970, 5112, 5320, 5348, 5396, 5730, 5964, 5985, 6390, 6685, 6745, 6840, 6876, 7258, 7455, 7640, 7980, 8022, 8094, 8520, 8595, 8946, 9443, 9576, 9940, 10696, 10792, 10887, 11460, 11928, 11970, 12033, 12141, 12780, 13370, 13490, 13561, 13752, 14516, 14910, 15960, 16044, 16188, 17190, 17892, 18145, 18886, 19880, 20055, 20235, 21774, 22365, 22920, 23940, 24066, 24282, 25403, 25560, 26740, 26980, 27122, 28329, 29032, 29820, 32088, 32376, 32661, 34380, 35784, 36290, 37772, 40110, 40470, 40683, 43548, 44730, 47215, 47880, 48132, 48564, 50806, 53480, 53960, 54244, 54435, 56658, 59640, 60165, 60705, 65322, 67805, 68760, 72580, 75544, 76209, 80220, 80940, 81366, 84987, 87096, 89460, 94430, 94927, 96264, 97128, 101612, 108488, 108870, 113316, 120330, 121410, 122049, 127015, 130644, 135610, 141645, 145160, 152418, 160440, 161880, 162732, 163305, 169974, 178920, 188860, 189854, 203224, 203415, 217740, 226632, 228627, 240660, 242820, 244098, 254030, 257659, 261288, 271220, 283290, 284781, 304836, 325464, 326610, 339948, 377720, 379708, 381045, 406830, 424935, 435480, 457254, 474635, 481320, 485640, 488196, 508060, 515318, 542440, 566580, 569562, 609672, 610245, 653220, 679896, 759416, 762090, 772977, 813660, 849870, 854343, 914508, 949270, 976392, 1016120, 1030636, 1133160, 1139124, 1143135, 1220490, 1288295, 1306440, 1423905, 1524180, 1545954, 1627320, 1699740, 1708686, 1803613, 1829016, 1898540, 2061272, 2278248, 2286270, 2318931, 2440980, 2576590, 2847810, 3048360, 3091908, 3399480, 3417372, 3607226, 3797080, 3864885, 4271715, 4572540, 4637862, 4881960, 5153180, 5410839, 5695620, 6183816, 6834744, 7214452, 7729770, 8543430, 9018065, 9145080, 9275724, 10306360, 10821678, 11391240, 11594655, 14428904, 15459540, 16232517, 17086860, 18036130, 18551448, 21643356, 23189310, 27054195, 30919080, 32465034, 34173720, 36072260, 43286712, 46378620, 54108390, 64930068, 72144520, 81162585, 92757240, 108216780, 129860136, 162325170, 216433560, 324650340, 649300680]

約数ペア:

[(1, 649300680), (2, 324650340), (3, 216433560), (4, 162325170), (5, 129860136), (6, 108216780), (7, 92757240), (8, 81162585), (9, 72144520), (10, 64930068), (12, 54108390), (14, 46378620), (15, 43286712), (18, 36072260), (19, 34173720), (20, 32465034), (21, 30919080), (24, 27054195), (28, 23189310), (30, 21643356), (35, 18551448), (36, 18036130), (38, 17086860), (40, 16232517), (42, 15459540), (45, 14428904), (56, 11594655), (57, 11391240), (60, 10821678), (63, 10306360), (70, 9275724), (71, 9145080), (72, 9018065), (76, 8543430), (84, 7729770), (90, 7214452), (95, 6834744), (105, 6183816), (114, 5695620), (120, 5410839), (126, 5153180), (133, 4881960), (140, 4637862), (142, 4572540), (152, 4271715), (168, 3864885), (171, 3797080), (180, 3607226), (190, 3417372), (191, 3399480), (210, 3091908), (213, 3048360), (228, 2847810), (252, 2576590), (266, 2440980), (280, 2318931), (284, 2286270), (285, 2278248), (315, 2061272), (342, 1898540), (355, 1829016), (360, 1803613), (380, 1708686), (382, 1699740), (399, 1627320), (420, 1545954), (426, 1524180), (456, 1423905), (497, 1306440), (504, 1288295), (532, 1220490), (568, 1143135), (570, 1139124), (573, 1133160), (630, 1030636), (639, 1016120), (665, 976392), (684, 949270), (710, 914508), (760, 854343), (764, 849870), (798, 813660), (840, 772977), (852, 762090), (855, 759416), (955, 679896), (994, 653220), (1064, 610245), (1065, 609672), (1140, 569562), (1146, 566580), (1197, 542440), (1260, 515318), (1278, 508060), (1330, 488196), (1337, 485640), (1349, 481320), (1368, 474635), (1420, 457254), (1491, 435480), (1528, 424935), (1596, 406830), (1704, 381045), (1710, 379708), (1719, 377720), (1910, 339948), (1988, 326610), (1995, 325464), (2130, 304836), (2280, 284781), (2292, 283290), (2394, 271220), (2485, 261288), (2520, 257659), (2556, 254030), (2660, 244098), (2674, 242820), (2698, 240660), (2840, 228627), (2865, 226632), (2982, 217740), (3192, 203415), (3195, 203224), (3420, 189854), (3438, 188860), (3629, 178920), (3820, 169974), (3976, 163305), (3990, 162732), (4011, 161880), (4047, 160440), (4260, 152418), (4473, 145160), (4584, 141645), (4788, 135610), (4970, 130644), (5112, 127015), (5320, 122049), (5348, 121410), (5396, 120330), (5730, 113316), (5964, 108870), (5985, 108488), (6390, 101612), (6685, 97128), (6745, 96264), (6840, 94927), (6876, 94430), (7258, 89460), (7455, 87096), (7640, 84987), (7980, 81366), (8022, 80940), (8094, 80220), (8520, 76209), (8595, 75544), (8946, 72580), (9443, 68760), (9576, 67805), (9940, 65322), (10696, 60705), (10792, 60165), (10887, 59640), (11460, 56658), (11928, 54435), (11970, 54244), (12033, 53960), (12141, 53480), (12780, 50806), (13370, 48564), (13490, 48132), (13561, 47880), (13752, 47215), (14516, 44730), (14910, 43548), (15960, 40683), (16044, 40470), (16188, 40110), (17190, 37772), (17892, 36290), (18145, 35784), (18886, 34380), (19880, 32661), (20055, 32376), (20235, 32088), (21774, 29820), (22365, 29032), (22920, 28329), (23940, 27122), (24066, 26980), (24282, 26740), (25403, 25560)]