655129980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{88771}}^1$

素因数の和:88827

約数の個数: 72

約数和(自身を含む): 2035719504

約数和(自身を除く): 1380589524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 88771, 177542, 266313, 355084, 443855, 532626, 798939, 887710, 1065252, 1331565, 1597878, 1775420, 2663130, 3195756, 3639611, 3994695, 5326260, 7279222, 7989390, 10918833, 14558444, 15978780, 18198055, 21837666, 32756499, 36396110, 43675332, 54594165, 65512998, 72792220, 109188330, 131025996, 163782495, 218376660, 327564990, 655129980]

約数ペア:

[(1, 655129980), (2, 327564990), (3, 218376660), (4, 163782495), (5, 131025996), (6, 109188330), (9, 72792220), (10, 65512998), (12, 54594165), (15, 43675332), (18, 36396110), (20, 32756499), (30, 21837666), (36, 18198055), (41, 15978780), (45, 14558444), (60, 10918833), (82, 7989390), (90, 7279222), (123, 5326260), (164, 3994695), (180, 3639611), (205, 3195756), (246, 2663130), (369, 1775420), (410, 1597878), (492, 1331565), (615, 1065252), (738, 887710), (820, 798939), (1230, 532626), (1476, 443855), (1845, 355084), (2460, 266313), (3690, 177542), (7380, 88771)]