28305420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3299}}^1$

素因数の和:3335

約数の個数: 96

約数和(自身を含む): 93139200

約数和(自身を除く): 64833780

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2860, 3299, 4290, 6598, 8580, 9897, 13196, 16495, 19794, 32990, 36289, 39588, 42887, 49485, 65980, 72578, 85774, 98970, 108867, 128661, 145156, 171548, 181445, 197940, 214435, 217734, 257322, 362890, 428870, 435468, 471757, 514644, 544335, 643305, 725780, 857740, 943514, 1088670, 1286610, 1415271, 1887028, 2177340, 2358785, 2573220, 2830542, 4717570, 5661084, 7076355, 9435140, 14152710, 28305420]

約数ペア:

[(1, 28305420), (2, 14152710), (3, 9435140), (4, 7076355), (5, 5661084), (6, 4717570), (10, 2830542), (11, 2573220), (12, 2358785), (13, 2177340), (15, 1887028), (20, 1415271), (22, 1286610), (26, 1088670), (30, 943514), (33, 857740), (39, 725780), (44, 643305), (52, 544335), (55, 514644), (60, 471757), (65, 435468), (66, 428870), (78, 362890), (110, 257322), (130, 217734), (132, 214435), (143, 197940), (156, 181445), (165, 171548), (195, 145156), (220, 128661), (260, 108867), (286, 98970), (330, 85774), (390, 72578), (429, 65980), (572, 49485), (660, 42887), (715, 39588), (780, 36289), (858, 32990), (1430, 19794), (1716, 16495), (2145, 13196), (2860, 9897), (3299, 8580), (4290, 6598)]