8615180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 21546000

約数和(自身を除く): 12930820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 149, 196, 236, 245, 295, 298, 413, 490, 590, 596, 745, 826, 980, 1043, 1180, 1490, 1652, 2065, 2086, 2891, 2980, 4130, 4172, 5215, 5782, 7301, 8260, 8791, 10430, 11564, 14455, 14602, 17582, 20860, 28910, 29204, 35164, 36505, 43955, 57820, 61537, 73010, 87910, 123074, 146020, 175820, 246148, 307685, 430759, 615370, 861518, 1230740, 1723036, 2153795, 4307590, 8615180]

約数ペア:

[(1, 8615180), (2, 4307590), (4, 2153795), (5, 1723036), (7, 1230740), (10, 861518), (14, 615370), (20, 430759), (28, 307685), (35, 246148), (49, 175820), (59, 146020), (70, 123074), (98, 87910), (118, 73010), (140, 61537), (149, 57820), (196, 43955), (236, 36505), (245, 35164), (295, 29204), (298, 28910), (413, 20860), (490, 17582), (590, 14602), (596, 14455), (745, 11564), (826, 10430), (980, 8791), (1043, 8260), (1180, 7301), (1490, 5782), (1652, 5215), (2065, 4172), (2086, 4130), (2891, 2980)]