402153960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257791}}^1$

素因数の和:257818

約数の個数: 64

約数和(自身を含む): 1299271680

約数和(自身を除く): 897117720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 257791, 515582, 773373, 1031164, 1288955, 1546746, 2062328, 2577910, 3093492, 3351283, 3866865, 5155820, 6186984, 6702566, 7733730, 10053849, 10311640, 13405132, 15467460, 16756415, 20107698, 26810264, 30934920, 33512830, 40215396, 50269245, 67025660, 80430792, 100538490, 134051320, 201076980, 402153960]

約数ペア:

[(1, 402153960), (2, 201076980), (3, 134051320), (4, 100538490), (5, 80430792), (6, 67025660), (8, 50269245), (10, 40215396), (12, 33512830), (13, 30934920), (15, 26810264), (20, 20107698), (24, 16756415), (26, 15467460), (30, 13405132), (39, 10311640), (40, 10053849), (52, 7733730), (60, 6702566), (65, 6186984), (78, 5155820), (104, 3866865), (120, 3351283), (130, 3093492), (156, 2577910), (195, 2062328), (260, 1546746), (312, 1288955), (390, 1031164), (520, 773373), (780, 515582), (1560, 257791)]