15907240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 38394000

約数和(自身を除く): 22486760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 157, 170, 298, 314, 340, 596, 628, 680, 745, 785, 1192, 1256, 1490, 1570, 2533, 2669, 2980, 3140, 5066, 5338, 5960, 6280, 10132, 10676, 12665, 13345, 20264, 21352, 23393, 25330, 26690, 46786, 50660, 53380, 93572, 101320, 106760, 116965, 187144, 233930, 397681, 467860, 795362, 935720, 1590724, 1988405, 3181448, 3976810, 7953620, 15907240]

約数ペア:

[(1, 15907240), (2, 7953620), (4, 3976810), (5, 3181448), (8, 1988405), (10, 1590724), (17, 935720), (20, 795362), (34, 467860), (40, 397681), (68, 233930), (85, 187144), (136, 116965), (149, 106760), (157, 101320), (170, 93572), (298, 53380), (314, 50660), (340, 46786), (596, 26690), (628, 25330), (680, 23393), (745, 21352), (785, 20264), (1192, 13345), (1256, 12665), (1490, 10676), (1570, 10132), (2533, 6280), (2669, 5960), (2980, 5338), (3140, 5066)]