128491440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:460

約数の個数: 320

約数和(自身を含む): 527109120

約数和(自身を除く): 398617680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 20, 21, 22, 24, 28, 30, 33, 34, 35, 40, 42, 44, 48, 51, 55, 56, 60, 66, 68, 70, 77, 80, 84, 85, 88, 102, 105, 110, 112, 119, 120, 132, 136, 140, 154, 165, 168, 170, 176, 187, 204, 210, 220, 231, 238, 240, 255, 264, 272, 280, 308, 330, 336, 340, 357, 374, 385, 408, 409, 420, 440, 462, 476, 510, 528, 560, 561, 595, 616, 660, 680, 714, 748, 770, 816, 818, 840, 880, 924, 935, 952, 1020, 1122, 1155, 1190, 1227, 1232, 1309, 1320, 1360, 1428, 1496, 1540, 1636, 1680, 1785, 1848, 1870, 1904, 2040, 2045, 2244, 2310, 2380, 2454, 2618, 2640, 2805, 2856, 2863, 2992, 3080, 3272, 3570, 3696, 3740, 3927, 4080, 4090, 4488, 4499, 4620, 4760, 4908, 5236, 5610, 5712, 5726, 6135, 6160, 6544, 6545, 6953, 7140, 7480, 7854, 8180, 8589, 8976, 8998, 9240, 9520, 9816, 10472, 11220, 11452, 12270, 13090, 13497, 13906, 14280, 14315, 14960, 15708, 16360, 17178, 17996, 18480, 19632, 19635, 20859, 20944, 22440, 22495, 22904, 24540, 26180, 26994, 27812, 28560, 28630, 31416, 31493, 32720, 34356, 34765, 35992, 39270, 41718, 42945, 44880, 44990, 45808, 48671, 49080, 52360, 53988, 55624, 57260, 62832, 62986, 67485, 68712, 69530, 71984, 76483, 78540, 83436, 85890, 89980, 94479, 97342, 98160, 104295, 104720, 107976, 111248, 114520, 125972, 134970, 137424, 139060, 146013, 152966, 157080, 157465, 166872, 171780, 179960, 188958, 194684, 208590, 215952, 229040, 229449, 243355, 251944, 269940, 278120, 292026, 305932, 314160, 314930, 333744, 343560, 359920, 377916, 382415, 389368, 417180, 458898, 472395, 486710, 503888, 535381, 539880, 556240, 584052, 611864, 629860, 687120, 730065, 755832, 764830, 778736, 834360, 917796, 944790, 973420, 1070762, 1079760, 1147245, 1168104, 1223728, 1259720, 1460130, 1511664, 1529660, 1606143, 1668720, 1835592, 1889580, 1946840, 2141524, 2294490, 2336208, 2519440, 2676905, 2920260, 3059320, 3212286, 3671184, 3779160, 3893680, 4283048, 4588980, 5353810, 5840520, 6118640, 6424572, 7558320, 8030715, 8566096, 9177960, 10707620, 11681040, 12849144, 16061430, 18355920, 21415240, 25698288, 32122860, 42830480, 64245720, 128491440]

約数ペア:

[(1, 128491440), (2, 64245720), (3, 42830480), (4, 32122860), (5, 25698288), (6, 21415240), (7, 18355920), (8, 16061430), (10, 12849144), (11, 11681040), (12, 10707620), (14, 9177960), (15, 8566096), (16, 8030715), (17, 7558320), (20, 6424572), (21, 6118640), (22, 5840520), (24, 5353810), (28, 4588980), (30, 4283048), (33, 3893680), (34, 3779160), (35, 3671184), (40, 3212286), (42, 3059320), (44, 2920260), (48, 2676905), (51, 2519440), (55, 2336208), (56, 2294490), (60, 2141524), (66, 1946840), (68, 1889580), (70, 1835592), (77, 1668720), (80, 1606143), (84, 1529660), (85, 1511664), (88, 1460130), (102, 1259720), (105, 1223728), (110, 1168104), (112, 1147245), (119, 1079760), (120, 1070762), (132, 973420), (136, 944790), (140, 917796), (154, 834360), (165, 778736), (168, 764830), (170, 755832), (176, 730065), (187, 687120), (204, 629860), (210, 611864), (220, 584052), (231, 556240), (238, 539880), (240, 535381), (255, 503888), (264, 486710), (272, 472395), (280, 458898), (308, 417180), (330, 389368), (336, 382415), (340, 377916), (357, 359920), (374, 343560), (385, 333744), (408, 314930), (409, 314160), (420, 305932), (440, 292026), (462, 278120), (476, 269940), (510, 251944), (528, 243355), (560, 229449), (561, 229040), (595, 215952), (616, 208590), (660, 194684), (680, 188958), (714, 179960), (748, 171780), (770, 166872), (816, 157465), (818, 157080), (840, 152966), (880, 146013), (924, 139060), (935, 137424), (952, 134970), (1020, 125972), (1122, 114520), (1155, 111248), (1190, 107976), (1227, 104720), (1232, 104295), (1309, 98160), (1320, 97342), (1360, 94479), (1428, 89980), (1496, 85890), (1540, 83436), (1636, 78540), (1680, 76483), (1785, 71984), (1848, 69530), (1870, 68712), (1904, 67485), (2040, 62986), (2045, 62832), (2244, 57260), (2310, 55624), (2380, 53988), (2454, 52360), (2618, 49080), (2640, 48671), (2805, 45808), (2856, 44990), (2863, 44880), (2992, 42945), (3080, 41718), (3272, 39270), (3570, 35992), (3696, 34765), (3740, 34356), (3927, 32720), (4080, 31493), (4090, 31416), (4488, 28630), (4499, 28560), (4620, 27812), (4760, 26994), (4908, 26180), (5236, 24540), (5610, 22904), (5712, 22495), (5726, 22440), (6135, 20944), (6160, 20859), (6544, 19635), (6545, 19632), (6953, 18480), (7140, 17996), (7480, 17178), (7854, 16360), (8180, 15708), (8589, 14960), (8976, 14315), (8998, 14280), (9240, 13906), (9520, 13497), (9816, 13090), (10472, 12270), (11220, 11452)]