80781480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:492

約数の個数: 192

約数和(自身を含む): 290319120

約数和(自身を除く): 209537640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 41, 45, 52, 60, 65, 72, 78, 82, 90, 104, 117, 120, 123, 130, 156, 164, 180, 195, 205, 234, 246, 260, 312, 328, 360, 369, 390, 410, 421, 468, 492, 520, 533, 585, 615, 738, 780, 820, 842, 936, 984, 1066, 1170, 1230, 1263, 1476, 1560, 1599, 1640, 1684, 1845, 2105, 2132, 2340, 2460, 2526, 2665, 2952, 3198, 3368, 3690, 3789, 4210, 4264, 4680, 4797, 4920, 5052, 5330, 5473, 6315, 6396, 7380, 7578, 7995, 8420, 9594, 10104, 10660, 10946, 12630, 12792, 14760, 15156, 15990, 16419, 16840, 17261, 18945, 19188, 21320, 21892, 23985, 25260, 27365, 30312, 31980, 32838, 34522, 37890, 38376, 43784, 47970, 49257, 50520, 51783, 54730, 63960, 65676, 69044, 75780, 82095, 86305, 95940, 98514, 103566, 109460, 131352, 138088, 151560, 155349, 164190, 172610, 191880, 197028, 207132, 218920, 224393, 246285, 258915, 310698, 328380, 345220, 394056, 414264, 448786, 492570, 517830, 621396, 656760, 673179, 690440, 776745, 897572, 985140, 1035660, 1121965, 1242792, 1346358, 1553490, 1795144, 1970280, 2019537, 2071320, 2243930, 2692716, 3106980, 3365895, 4039074, 4487860, 5385432, 6213960, 6731790, 8078148, 8975720, 10097685, 13463580, 16156296, 20195370, 26927160, 40390740, 80781480]

約数ペア:

[(1, 80781480), (2, 40390740), (3, 26927160), (4, 20195370), (5, 16156296), (6, 13463580), (8, 10097685), (9, 8975720), (10, 8078148), (12, 6731790), (13, 6213960), (15, 5385432), (18, 4487860), (20, 4039074), (24, 3365895), (26, 3106980), (30, 2692716), (36, 2243930), (39, 2071320), (40, 2019537), (41, 1970280), (45, 1795144), (52, 1553490), (60, 1346358), (65, 1242792), (72, 1121965), (78, 1035660), (82, 985140), (90, 897572), (104, 776745), (117, 690440), (120, 673179), (123, 656760), (130, 621396), (156, 517830), (164, 492570), (180, 448786), (195, 414264), (205, 394056), (234, 345220), (246, 328380), (260, 310698), (312, 258915), (328, 246285), (360, 224393), (369, 218920), (390, 207132), (410, 197028), (421, 191880), (468, 172610), (492, 164190), (520, 155349), (533, 151560), (585, 138088), (615, 131352), (738, 109460), (780, 103566), (820, 98514), (842, 95940), (936, 86305), (984, 82095), (1066, 75780), (1170, 69044), (1230, 65676), (1263, 63960), (1476, 54730), (1560, 51783), (1599, 50520), (1640, 49257), (1684, 47970), (1845, 43784), (2105, 38376), (2132, 37890), (2340, 34522), (2460, 32838), (2526, 31980), (2665, 30312), (2952, 27365), (3198, 25260), (3368, 23985), (3690, 21892), (3789, 21320), (4210, 19188), (4264, 18945), (4680, 17261), (4797, 16840), (4920, 16419), (5052, 15990), (5330, 15156), (5473, 14760), (6315, 12792), (6396, 12630), (7380, 10946), (7578, 10660), (7995, 10104), (8420, 9594)]