128757720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{907}}^1$

素因数の和:954

約数の個数: 192

約数和(自身を含む): 478552320

約数和(自身を除く): 349794600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 169, 182, 195, 210, 260, 273, 280, 312, 338, 364, 390, 420, 455, 507, 520, 546, 676, 728, 780, 840, 845, 907, 910, 1014, 1092, 1183, 1352, 1365, 1560, 1690, 1814, 1820, 2028, 2184, 2366, 2535, 2721, 2730, 3380, 3549, 3628, 3640, 4056, 4535, 4732, 5070, 5442, 5460, 5915, 6349, 6760, 7098, 7256, 9070, 9464, 10140, 10884, 10920, 11791, 11830, 12698, 13605, 14196, 17745, 18140, 19047, 20280, 21768, 23582, 23660, 25396, 27210, 28392, 31745, 35373, 35490, 36280, 38094, 47164, 47320, 50792, 54420, 58955, 63490, 70746, 70980, 76188, 82537, 94328, 95235, 108840, 117910, 126980, 141492, 141960, 152376, 153283, 165074, 176865, 190470, 235820, 247611, 253960, 282984, 306566, 330148, 353730, 380940, 412685, 459849, 471640, 495222, 613132, 660296, 707460, 761880, 766415, 825370, 919698, 990444, 1072981, 1226264, 1238055, 1414920, 1532830, 1650740, 1839396, 1980888, 2145962, 2299245, 2476110, 3065660, 3218943, 3301480, 3678792, 4291924, 4598490, 4952220, 5364905, 6131320, 6437886, 8583848, 9196980, 9904440, 10729810, 12875772, 16094715, 18393960, 21459620, 25751544, 32189430, 42919240, 64378860, 128757720]

約数ペア:

[(1, 128757720), (2, 64378860), (3, 42919240), (4, 32189430), (5, 25751544), (6, 21459620), (7, 18393960), (8, 16094715), (10, 12875772), (12, 10729810), (13, 9904440), (14, 9196980), (15, 8583848), (20, 6437886), (21, 6131320), (24, 5364905), (26, 4952220), (28, 4598490), (30, 4291924), (35, 3678792), (39, 3301480), (40, 3218943), (42, 3065660), (52, 2476110), (56, 2299245), (60, 2145962), (65, 1980888), (70, 1839396), (78, 1650740), (84, 1532830), (91, 1414920), (104, 1238055), (105, 1226264), (120, 1072981), (130, 990444), (140, 919698), (156, 825370), (168, 766415), (169, 761880), (182, 707460), (195, 660296), (210, 613132), (260, 495222), (273, 471640), (280, 459849), (312, 412685), (338, 380940), (364, 353730), (390, 330148), (420, 306566), (455, 282984), (507, 253960), (520, 247611), (546, 235820), (676, 190470), (728, 176865), (780, 165074), (840, 153283), (845, 152376), (907, 141960), (910, 141492), (1014, 126980), (1092, 117910), (1183, 108840), (1352, 95235), (1365, 94328), (1560, 82537), (1690, 76188), (1814, 70980), (1820, 70746), (2028, 63490), (2184, 58955), (2366, 54420), (2535, 50792), (2721, 47320), (2730, 47164), (3380, 38094), (3549, 36280), (3628, 35490), (3640, 35373), (4056, 31745), (4535, 28392), (4732, 27210), (5070, 25396), (5442, 23660), (5460, 23582), (5915, 21768), (6349, 20280), (6760, 19047), (7098, 18140), (7256, 17745), (9070, 14196), (9464, 13605), (10140, 12698), (10884, 11830), (10920, 11791)]