127922120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1453}}^1$

素因数の和:1566

約数の個数: 64

約数和(自身を含む): 301501440

約数和(自身を除く): 173579320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 710, 1240, 1420, 1453, 2201, 2840, 2906, 4402, 5812, 7265, 8804, 11005, 11624, 14530, 17608, 22010, 29060, 44020, 45043, 58120, 88040, 90086, 103163, 180172, 206326, 225215, 360344, 412652, 450430, 515815, 825304, 900860, 1031630, 1801720, 2063260, 3198053, 4126520, 6396106, 12792212, 15990265, 25584424, 31980530, 63961060, 127922120]

約数ペア:

[(1, 127922120), (2, 63961060), (4, 31980530), (5, 25584424), (8, 15990265), (10, 12792212), (20, 6396106), (31, 4126520), (40, 3198053), (62, 2063260), (71, 1801720), (124, 1031630), (142, 900860), (155, 825304), (248, 515815), (284, 450430), (310, 412652), (355, 360344), (568, 225215), (620, 206326), (710, 180172), (1240, 103163), (1420, 90086), (1453, 88040), (2201, 58120), (2840, 45043), (2906, 44020), (4402, 29060), (5812, 22010), (7265, 17608), (8804, 14530), (11005, 11624)]