15157220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{601}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 34689648

約数和(自身を除く): 19532428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 601, 970, 1202, 1261, 1940, 2404, 2522, 3005, 5044, 6010, 6305, 7813, 12020, 12610, 15626, 25220, 31252, 39065, 58297, 78130, 116594, 156260, 233188, 291485, 582970, 757861, 1165940, 1515722, 3031444, 3789305, 7578610, 15157220]

約数ペア:

[(1, 15157220), (2, 7578610), (4, 3789305), (5, 3031444), (10, 1515722), (13, 1165940), (20, 757861), (26, 582970), (52, 291485), (65, 233188), (97, 156260), (130, 116594), (194, 78130), (260, 58297), (388, 39065), (485, 31252), (601, 25220), (970, 15626), (1202, 12610), (1261, 12020), (1940, 7813), (2404, 6305), (2522, 6010), (3005, 5044)]