1642673560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{11279}}^1$

素因数の和:11632

約数の個数: 64

約数和(自身を含む): 4044556800

約数和(自身を除く): 2401883240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 331, 440, 662, 1324, 1655, 2648, 3310, 3641, 6620, 7282, 11279, 13240, 14564, 18205, 22558, 29128, 36410, 45116, 56395, 72820, 90232, 112790, 124069, 145640, 225580, 248138, 451160, 496276, 620345, 992552, 1240690, 2481380, 3733349, 4962760, 7466698, 14933396, 18666745, 29866792, 37333490, 41066839, 74666980, 82133678, 149333960, 164267356, 205334195, 328534712, 410668390, 821336780, 1642673560]

約数ペア:

[(1, 1642673560), (2, 821336780), (4, 410668390), (5, 328534712), (8, 205334195), (10, 164267356), (11, 149333960), (20, 82133678), (22, 74666980), (40, 41066839), (44, 37333490), (55, 29866792), (88, 18666745), (110, 14933396), (220, 7466698), (331, 4962760), (440, 3733349), (662, 2481380), (1324, 1240690), (1655, 992552), (2648, 620345), (3310, 496276), (3641, 451160), (6620, 248138), (7282, 225580), (11279, 145640), (13240, 124069), (14564, 112790), (18205, 90232), (22558, 72820), (29128, 56395), (36410, 45116)]