156702520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9721}}^1$

素因数の和:9776

約数の個数: 64

約数和(自身を含む): 391991040

約数和(自身を除く): 235288520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 9721, 16120, 19442, 38884, 48605, 77768, 97210, 126373, 194420, 252746, 301351, 388840, 505492, 602702, 631865, 1010984, 1205404, 1263730, 1506755, 2410808, 2527460, 3013510, 3917563, 5054920, 6027020, 7835126, 12054040, 15670252, 19587815, 31340504, 39175630, 78351260, 156702520]

約数ペア:

[(1, 156702520), (2, 78351260), (4, 39175630), (5, 31340504), (8, 19587815), (10, 15670252), (13, 12054040), (20, 7835126), (26, 6027020), (31, 5054920), (40, 3917563), (52, 3013510), (62, 2527460), (65, 2410808), (104, 1506755), (124, 1263730), (130, 1205404), (155, 1010984), (248, 631865), (260, 602702), (310, 505492), (403, 388840), (520, 301351), (620, 252746), (806, 194420), (1240, 126373), (1612, 97210), (2015, 77768), (3224, 48605), (4030, 38884), (8060, 19442), (9721, 16120)]