161408520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{379}}^1$

素因数の和:429

約数の個数: 288

約数和(自身を含む): 650894400

約数和(自身を除く): 489485880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 169, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 338, 360, 364, 379, 390, 420, 455, 468, 504, 507, 520, 546, 585, 630, 676, 728, 758, 780, 819, 840, 845, 910, 936, 1014, 1092, 1137, 1170, 1183, 1260, 1352, 1365, 1516, 1521, 1560, 1638, 1690, 1820, 1895, 2028, 2184, 2274, 2340, 2366, 2520, 2535, 2653, 2730, 3032, 3042, 3276, 3380, 3411, 3549, 3640, 3790, 4056, 4095, 4548, 4680, 4732, 4927, 5070, 5306, 5460, 5685, 5915, 6084, 6552, 6760, 6822, 7098, 7580, 7605, 7959, 8190, 9096, 9464, 9854, 10140, 10612, 10647, 10920, 11370, 11830, 12168, 13265, 13644, 14196, 14781, 15160, 15210, 15918, 16380, 17055, 17745, 19708, 20280, 21224, 21294, 22740, 23660, 23877, 24635, 26530, 27288, 28392, 29562, 30420, 31836, 32760, 34110, 34489, 35490, 39416, 39795, 42588, 44343, 45480, 47320, 47754, 49270, 53060, 53235, 59124, 60840, 63672, 64051, 68220, 68978, 70980, 73905, 79590, 85176, 88686, 95508, 98540, 103467, 106120, 106470, 118248, 119385, 128102, 136440, 137956, 141960, 147810, 159180, 172445, 177372, 191016, 192153, 197080, 206934, 212940, 221715, 238770, 256204, 275912, 295620, 310401, 318360, 320255, 344890, 354744, 384306, 413868, 425880, 443430, 448357, 477540, 512408, 517335, 576459, 591240, 620802, 640510, 689780, 768612, 827736, 886860, 896714, 955080, 960765, 1034670, 1152918, 1241604, 1281020, 1345071, 1379560, 1537224, 1552005, 1773720, 1793428, 1921530, 2069340, 2241785, 2305836, 2483208, 2562040, 2690142, 2882295, 3104010, 3586856, 3843060, 4035213, 4138680, 4483570, 4611672, 5380284, 5764590, 6208020, 6725355, 7686120, 8070426, 8967140, 10760568, 11529180, 12416040, 13450710, 16140852, 17934280, 20176065, 23058360, 26901420, 32281704, 40352130, 53802840, 80704260, 161408520]

約数ペア:

[(1, 161408520), (2, 80704260), (3, 53802840), (4, 40352130), (5, 32281704), (6, 26901420), (7, 23058360), (8, 20176065), (9, 17934280), (10, 16140852), (12, 13450710), (13, 12416040), (14, 11529180), (15, 10760568), (18, 8967140), (20, 8070426), (21, 7686120), (24, 6725355), (26, 6208020), (28, 5764590), (30, 5380284), (35, 4611672), (36, 4483570), (39, 4138680), (40, 4035213), (42, 3843060), (45, 3586856), (52, 3104010), (56, 2882295), (60, 2690142), (63, 2562040), (65, 2483208), (70, 2305836), (72, 2241785), (78, 2069340), (84, 1921530), (90, 1793428), (91, 1773720), (104, 1552005), (105, 1537224), (117, 1379560), (120, 1345071), (126, 1281020), (130, 1241604), (140, 1152918), (156, 1034670), (168, 960765), (169, 955080), (180, 896714), (182, 886860), (195, 827736), (210, 768612), (234, 689780), (252, 640510), (260, 620802), (273, 591240), (280, 576459), (312, 517335), (315, 512408), (338, 477540), (360, 448357), (364, 443430), (379, 425880), (390, 413868), (420, 384306), (455, 354744), (468, 344890), (504, 320255), (507, 318360), (520, 310401), (546, 295620), (585, 275912), (630, 256204), (676, 238770), (728, 221715), (758, 212940), (780, 206934), (819, 197080), (840, 192153), (845, 191016), (910, 177372), (936, 172445), (1014, 159180), (1092, 147810), (1137, 141960), (1170, 137956), (1183, 136440), (1260, 128102), (1352, 119385), (1365, 118248), (1516, 106470), (1521, 106120), (1560, 103467), (1638, 98540), (1690, 95508), (1820, 88686), (1895, 85176), (2028, 79590), (2184, 73905), (2274, 70980), (2340, 68978), (2366, 68220), (2520, 64051), (2535, 63672), (2653, 60840), (2730, 59124), (3032, 53235), (3042, 53060), (3276, 49270), (3380, 47754), (3411, 47320), (3549, 45480), (3640, 44343), (3790, 42588), (4056, 39795), (4095, 39416), (4548, 35490), (4680, 34489), (4732, 34110), (4927, 32760), (5070, 31836), (5306, 30420), (5460, 29562), (5685, 28392), (5915, 27288), (6084, 26530), (6552, 24635), (6760, 23877), (6822, 23660), (7098, 22740), (7580, 21294), (7605, 21224), (7959, 20280), (8190, 19708), (9096, 17745), (9464, 17055), (9854, 16380), (10140, 15918), (10612, 15210), (10647, 15160), (10920, 14781), (11370, 14196), (11830, 13644), (12168, 13265)]