165671320

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:592

約数の個数: 64

約数和(自身を含む): 381024000

約数和(自身を除く): 215352680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 139, 166, 278, 332, 359, 415, 556, 664, 695, 718, 830, 1112, 1390, 1436, 1660, 1795, 2780, 2872, 3320, 3590, 5560, 7180, 11537, 14360, 23074, 29797, 46148, 49901, 57685, 59594, 92296, 99802, 115370, 119188, 148985, 199604, 230740, 238376, 249505, 297970, 399208, 461480, 499010, 595940, 998020, 1191880, 1996040, 4141783, 8283566, 16567132, 20708915, 33134264, 41417830, 82835660, 165671320]

約数ペア:

[(1, 165671320), (2, 82835660), (4, 41417830), (5, 33134264), (8, 20708915), (10, 16567132), (20, 8283566), (40, 4141783), (83, 1996040), (139, 1191880), (166, 998020), (278, 595940), (332, 499010), (359, 461480), (415, 399208), (556, 297970), (664, 249505), (695, 238376), (718, 230740), (830, 199604), (1112, 148985), (1390, 119188), (1436, 115370), (1660, 99802), (1795, 92296), (2780, 59594), (2872, 57685), (3320, 49901), (3590, 46148), (5560, 29797), (7180, 23074), (11537, 14360)]