40390740

素因数分解:

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

素因数の和:490

約数の個数: 144

約数和(自身を含む): 135482256

約数和(自身を除く): 95091516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 41, 45, 52, 60, 65, 78, 82, 90, 117, 123, 130, 156, 164, 180, 195, 205, 234, 246, 260, 369, 390, 410, 421, 468, 492, 533, 585, 615, 738, 780, 820, 842, 1066, 1170, 1230, 1263, 1476, 1599, 1684, 1845, 2105, 2132, 2340, 2460, 2526, 2665, 3198, 3690, 3789, 4210, 4797, 5052, 5330, 5473, 6315, 6396, 7380, 7578, 7995, 8420, 9594, 10660, 10946, 12630, 15156, 15990, 16419, 17261, 18945, 19188, 21892, 23985, 25260, 27365, 31980, 32838, 34522, 37890, 47970, 49257, 51783, 54730, 65676, 69044, 75780, 82095, 86305, 95940, 98514, 103566, 109460, 155349, 164190, 172610, 197028, 207132, 224393, 246285, 258915, 310698, 328380, 345220, 448786, 492570, 517830, 621396, 673179, 776745, 897572, 985140, 1035660, 1121965, 1346358, 1553490, 2019537, 2243930, 2692716, 3106980, 3365895, 4039074, 4487860, 6731790, 8078148, 10097685, 13463580, 20195370, 40390740]

約数ペア:

[(1, 40390740), (2, 20195370), (3, 13463580), (4, 10097685), (5, 8078148), (6, 6731790), (9, 4487860), (10, 4039074), (12, 3365895), (13, 3106980), (15, 2692716), (18, 2243930), (20, 2019537), (26, 1553490), (30, 1346358), (36, 1121965), (39, 1035660), (41, 985140), (45, 897572), (52, 776745), (60, 673179), (65, 621396), (78, 517830), (82, 492570), (90, 448786), (117, 345220), (123, 328380), (130, 310698), (156, 258915), (164, 246285), (180, 224393), (195, 207132), (205, 197028), (234, 172610), (246, 164190), (260, 155349), (369, 109460), (390, 103566), (410, 98514), (421, 95940), (468, 86305), (492, 82095), (533, 75780), (585, 69044), (615, 65676), (738, 54730), (780, 51783), (820, 49257), (842, 47970), (1066, 37890), (1170, 34522), (1230, 32838), (1263, 31980), (1476, 27365), (1599, 25260), (1684, 23985), (1845, 21892), (2105, 19188), (2132, 18945), (2340, 17261), (2460, 16419), (2526, 15990), (2665, 15156), (3198, 12630), (3690, 10946), (3789, 10660), (4210, 9594), (4797, 8420), (5052, 7995), (5330, 7578), (5473, 7380), (6315, 6396)]