153866640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20681}}^1$

素因数の和:20728

約数の個数: 80

約数和(自身を含む): 492397056

約数和(自身を除く): 338530416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 20681, 41362, 62043, 82724, 103405, 124086, 165448, 206810, 248172, 310215, 330896, 413620, 496344, 620430, 641111, 827240, 992688, 1240860, 1282222, 1654480, 1923333, 2481720, 2564444, 3205555, 3846666, 4963440, 5128888, 6411110, 7693332, 9616665, 10257776, 12822220, 15386664, 19233330, 25644440, 30773328, 38466660, 51288880, 76933320, 153866640]

約数ペア:

[(1, 153866640), (2, 76933320), (3, 51288880), (4, 38466660), (5, 30773328), (6, 25644440), (8, 19233330), (10, 15386664), (12, 12822220), (15, 10257776), (16, 9616665), (20, 7693332), (24, 6411110), (30, 5128888), (31, 4963440), (40, 3846666), (48, 3205555), (60, 2564444), (62, 2481720), (80, 1923333), (93, 1654480), (120, 1282222), (124, 1240860), (155, 992688), (186, 827240), (240, 641111), (248, 620430), (310, 496344), (372, 413620), (465, 330896), (496, 310215), (620, 248172), (744, 206810), (930, 165448), (1240, 124086), (1488, 103405), (1860, 82724), (2480, 62043), (3720, 41362), (7440, 20681)]