157070720

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12917}}^1$

素因数の和:12955

約数の個数: 64

約数和(自身を含む): 395290800

約数和(自身を除く): 238220080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 12917, 25834, 51668, 64585, 103336, 129170, 206672, 245423, 258340, 413344, 490846, 516680, 826688, 981692, 1033360, 1227115, 1653376, 1963384, 2066720, 2454230, 3926768, 4133440, 4908460, 7853536, 8266880, 9816920, 15707072, 19633840, 31414144, 39267680, 78535360, 157070720]

約数ペア:

[(1, 157070720), (2, 78535360), (4, 39267680), (5, 31414144), (8, 19633840), (10, 15707072), (16, 9816920), (19, 8266880), (20, 7853536), (32, 4908460), (38, 4133440), (40, 3926768), (64, 2454230), (76, 2066720), (80, 1963384), (95, 1653376), (128, 1227115), (152, 1033360), (160, 981692), (190, 826688), (304, 516680), (320, 490846), (380, 413344), (608, 258340), (640, 245423), (760, 206672), (1216, 129170), (1520, 103336), (2432, 64585), (3040, 51668), (6080, 25834), (12160, 12917)]