159987940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{2767}}^1$

素因数の和:2849

約数の個数: 72

約数和(自身を含む): 397595520

約数和(自身を除く): 237607580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 295, 413, 490, 590, 826, 980, 1180, 1652, 2065, 2767, 2891, 4130, 5534, 5782, 8260, 11068, 11564, 13835, 14455, 19369, 27670, 28910, 38738, 55340, 57820, 77476, 96845, 135583, 163253, 193690, 271166, 326506, 387380, 542332, 653012, 677915, 816265, 1142771, 1355830, 1632530, 2285542, 2711660, 3265060, 4571084, 5713855, 7999397, 11427710, 15998794, 22855420, 31997588, 39996985, 79993970, 159987940]

約数ペア:

[(1, 159987940), (2, 79993970), (4, 39996985), (5, 31997588), (7, 22855420), (10, 15998794), (14, 11427710), (20, 7999397), (28, 5713855), (35, 4571084), (49, 3265060), (59, 2711660), (70, 2285542), (98, 1632530), (118, 1355830), (140, 1142771), (196, 816265), (236, 677915), (245, 653012), (295, 542332), (413, 387380), (490, 326506), (590, 271166), (826, 193690), (980, 163253), (1180, 135583), (1652, 96845), (2065, 77476), (2767, 57820), (2891, 55340), (4130, 38738), (5534, 28910), (5782, 27670), (8260, 19369), (11068, 14455), (11564, 13835)]