15399280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 41662512

約数和(自身を除く): 26263232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 67, 68, 80, 85, 104, 130, 134, 136, 169, 170, 208, 221, 260, 268, 272, 335, 338, 340, 442, 520, 536, 670, 676, 680, 845, 871, 884, 1040, 1072, 1105, 1139, 1340, 1352, 1360, 1690, 1742, 1768, 2210, 2278, 2680, 2704, 2873, 3380, 3484, 3536, 4355, 4420, 4556, 5360, 5695, 5746, 6760, 6968, 8710, 8840, 9112, 11323, 11390, 11492, 13520, 13936, 14365, 14807, 17420, 17680, 18224, 22646, 22780, 22984, 28730, 29614, 34840, 45292, 45560, 45968, 56615, 57460, 59228, 69680, 74035, 90584, 91120, 113230, 114920, 118456, 148070, 181168, 192491, 226460, 229840, 236912, 296140, 384982, 452920, 592280, 769964, 905840, 962455, 1184560, 1539928, 1924910, 3079856, 3849820, 7699640, 15399280]

約数ペア:

[(1, 15399280), (2, 7699640), (4, 3849820), (5, 3079856), (8, 1924910), (10, 1539928), (13, 1184560), (16, 962455), (17, 905840), (20, 769964), (26, 592280), (34, 452920), (40, 384982), (52, 296140), (65, 236912), (67, 229840), (68, 226460), (80, 192491), (85, 181168), (104, 148070), (130, 118456), (134, 114920), (136, 113230), (169, 91120), (170, 90584), (208, 74035), (221, 69680), (260, 59228), (268, 57460), (272, 56615), (335, 45968), (338, 45560), (340, 45292), (442, 34840), (520, 29614), (536, 28730), (670, 22984), (676, 22780), (680, 22646), (845, 18224), (871, 17680), (884, 17420), (1040, 14807), (1072, 14365), (1105, 13936), (1139, 13520), (1340, 11492), (1352, 11390), (1360, 11323), (1690, 9112), (1742, 8840), (1768, 8710), (2210, 6968), (2278, 6760), (2680, 5746), (2704, 5695), (2873, 5360), (3380, 4556), (3484, 4420), (3536, 4355)]