15954640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1$

素因数の和:101

約数の個数: 120

約数和(自身を含む): 43200360

約数和(自身を除く): 27245720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 29, 40, 46, 52, 58, 65, 80, 92, 104, 115, 116, 130, 145, 184, 208, 230, 232, 260, 290, 299, 368, 377, 460, 464, 520, 529, 580, 598, 667, 754, 920, 1040, 1058, 1160, 1196, 1334, 1495, 1508, 1840, 1885, 2116, 2320, 2392, 2645, 2668, 2990, 3016, 3335, 3770, 4232, 4784, 5290, 5336, 5980, 6032, 6670, 6877, 7540, 8464, 8671, 10580, 10672, 11960, 13340, 13754, 15080, 15341, 17342, 21160, 23920, 26680, 27508, 30160, 30682, 34385, 34684, 42320, 43355, 53360, 55016, 61364, 68770, 69368, 76705, 86710, 110032, 122728, 137540, 138736, 153410, 173420, 199433, 245456, 275080, 306820, 346840, 398866, 550160, 613640, 693680, 797732, 997165, 1227280, 1595464, 1994330, 3190928, 3988660, 7977320, 15954640]

約数ペア:

[(1, 15954640), (2, 7977320), (4, 3988660), (5, 3190928), (8, 1994330), (10, 1595464), (13, 1227280), (16, 997165), (20, 797732), (23, 693680), (26, 613640), (29, 550160), (40, 398866), (46, 346840), (52, 306820), (58, 275080), (65, 245456), (80, 199433), (92, 173420), (104, 153410), (115, 138736), (116, 137540), (130, 122728), (145, 110032), (184, 86710), (208, 76705), (230, 69368), (232, 68770), (260, 61364), (290, 55016), (299, 53360), (368, 43355), (377, 42320), (460, 34684), (464, 34385), (520, 30682), (529, 30160), (580, 27508), (598, 26680), (667, 23920), (754, 21160), (920, 17342), (1040, 15341), (1058, 15080), (1160, 13754), (1196, 13340), (1334, 11960), (1495, 10672), (1508, 10580), (1840, 8671), (1885, 8464), (2116, 7540), (2320, 6877), (2392, 6670), (2645, 6032), (2668, 5980), (2990, 5336), (3016, 5290), (3335, 4784), (3770, 4232)]