31390320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10061}}^1$

素因数の和:10090

約数の個数: 80

約数和(自身を含む): 104805792

約数和(自身を除く): 73415472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 10061, 20122, 30183, 40244, 50305, 60366, 80488, 100610, 120732, 130793, 150915, 160976, 201220, 241464, 261586, 301830, 392379, 402440, 482928, 523172, 603660, 653965, 784758, 804880, 1046344, 1207320, 1307930, 1569516, 1961895, 2092688, 2414640, 2615860, 3139032, 3923790, 5231720, 6278064, 7847580, 10463440, 15695160, 31390320]

約数ペア:

[(1, 31390320), (2, 15695160), (3, 10463440), (4, 7847580), (5, 6278064), (6, 5231720), (8, 3923790), (10, 3139032), (12, 2615860), (13, 2414640), (15, 2092688), (16, 1961895), (20, 1569516), (24, 1307930), (26, 1207320), (30, 1046344), (39, 804880), (40, 784758), (48, 653965), (52, 603660), (60, 523172), (65, 482928), (78, 402440), (80, 392379), (104, 301830), (120, 261586), (130, 241464), (156, 201220), (195, 160976), (208, 150915), (240, 130793), (260, 120732), (312, 100610), (390, 80488), (520, 60366), (624, 50305), (780, 40244), (1040, 30183), (1560, 20122), (3120, 10061)]