160511740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{883}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 345290400

約数和(自身を除く): 184778660

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 149, 244, 298, 305, 596, 610, 745, 883, 1220, 1490, 1766, 2980, 3532, 4415, 8830, 9089, 17660, 18178, 36356, 45445, 53863, 90890, 107726, 131567, 181780, 215452, 263134, 269315, 526268, 538630, 657835, 1077260, 1315670, 2631340, 8025587, 16051174, 32102348, 40127935, 80255870, 160511740]

約数ペア:

[(1, 160511740), (2, 80255870), (4, 40127935), (5, 32102348), (10, 16051174), (20, 8025587), (61, 2631340), (122, 1315670), (149, 1077260), (244, 657835), (298, 538630), (305, 526268), (596, 269315), (610, 263134), (745, 215452), (883, 181780), (1220, 131567), (1490, 107726), (1766, 90890), (2980, 53863), (3532, 45445), (4415, 36356), (8830, 18178), (9089, 17660)]