15950480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:353

約数の個数: 120

約数和(自身を含む): 46606392

約数和(自身を除く): 30655912

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 313, 364, 392, 455, 490, 520, 560, 626, 637, 728, 784, 910, 980, 1040, 1252, 1274, 1456, 1565, 1820, 1960, 2191, 2504, 2548, 3130, 3185, 3640, 3920, 4069, 4382, 5008, 5096, 6260, 6370, 7280, 8138, 8764, 10192, 10955, 12520, 12740, 15337, 16276, 17528, 20345, 21910, 25040, 25480, 28483, 30674, 32552, 35056, 40690, 43820, 50960, 56966, 61348, 65104, 76685, 81380, 87640, 113932, 122696, 142415, 153370, 162760, 175280, 199381, 227864, 245392, 284830, 306740, 325520, 398762, 455728, 569660, 613480, 797524, 996905, 1139320, 1226960, 1595048, 1993810, 2278640, 3190096, 3987620, 7975240, 15950480]

約数ペア:

[(1, 15950480), (2, 7975240), (4, 3987620), (5, 3190096), (7, 2278640), (8, 1993810), (10, 1595048), (13, 1226960), (14, 1139320), (16, 996905), (20, 797524), (26, 613480), (28, 569660), (35, 455728), (40, 398762), (49, 325520), (52, 306740), (56, 284830), (65, 245392), (70, 227864), (80, 199381), (91, 175280), (98, 162760), (104, 153370), (112, 142415), (130, 122696), (140, 113932), (182, 87640), (196, 81380), (208, 76685), (245, 65104), (260, 61348), (280, 56966), (313, 50960), (364, 43820), (392, 40690), (455, 35056), (490, 32552), (520, 30674), (560, 28483), (626, 25480), (637, 25040), (728, 21910), (784, 20345), (910, 17528), (980, 16276), (1040, 15337), (1252, 12740), (1274, 12520), (1456, 10955), (1565, 10192), (1820, 8764), (1960, 8138), (2191, 7280), (2504, 6370), (2548, 6260), (3130, 5096), (3185, 5008), (3640, 4382), (3920, 4069)]