168315280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{107}}^1$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 460095552

約数和(自身を除く): 291780272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 107, 112, 140, 212, 214, 265, 280, 371, 424, 428, 530, 535, 560, 742, 749, 848, 856, 1060, 1070, 1484, 1498, 1712, 1855, 2120, 2140, 2809, 2968, 2996, 3710, 3745, 4240, 4280, 5618, 5671, 5936, 5992, 7420, 7490, 8560, 11236, 11342, 11984, 14045, 14840, 14980, 19663, 22472, 22684, 28090, 28355, 29680, 29960, 39326, 39697, 44944, 45368, 56180, 56710, 59920, 78652, 79394, 90736, 98315, 112360, 113420, 157304, 158788, 196630, 198485, 224720, 226840, 300563, 314608, 317576, 393260, 396970, 453680, 601126, 635152, 786520, 793940, 1202252, 1502815, 1573040, 1587880, 2103941, 2404504, 3005630, 3175760, 4207882, 4809008, 6011260, 8415764, 10519705, 12022520, 16831528, 21039410, 24045040, 33663056, 42078820, 84157640, 168315280]

約数ペア:

[(1, 168315280), (2, 84157640), (4, 42078820), (5, 33663056), (7, 24045040), (8, 21039410), (10, 16831528), (14, 12022520), (16, 10519705), (20, 8415764), (28, 6011260), (35, 4809008), (40, 4207882), (53, 3175760), (56, 3005630), (70, 2404504), (80, 2103941), (106, 1587880), (107, 1573040), (112, 1502815), (140, 1202252), (212, 793940), (214, 786520), (265, 635152), (280, 601126), (371, 453680), (424, 396970), (428, 393260), (530, 317576), (535, 314608), (560, 300563), (742, 226840), (749, 224720), (848, 198485), (856, 196630), (1060, 158788), (1070, 157304), (1484, 113420), (1498, 112360), (1712, 98315), (1855, 90736), (2120, 79394), (2140, 78652), (2809, 59920), (2968, 56710), (2996, 56180), (3710, 45368), (3745, 44944), (4240, 39697), (4280, 39326), (5618, 29960), (5671, 29680), (5936, 28355), (5992, 28090), (7420, 22684), (7490, 22472), (8560, 19663), (11236, 14980), (11342, 14840), (11984, 14045)]