81128580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2213}}^1$

素因数の和:2285

約数の個数: 96

約数和(自身を含む): 249951744

約数和(自身を除く): 168823164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 47, 52, 60, 65, 78, 94, 130, 141, 156, 188, 195, 235, 260, 282, 390, 470, 564, 611, 705, 780, 940, 1222, 1410, 1833, 2213, 2444, 2820, 3055, 3666, 4426, 6110, 6639, 7332, 8852, 9165, 11065, 12220, 13278, 18330, 22130, 26556, 28769, 33195, 36660, 44260, 57538, 66390, 86307, 104011, 115076, 132780, 143845, 172614, 208022, 287690, 312033, 345228, 416044, 431535, 520055, 575380, 624066, 863070, 1040110, 1248132, 1352143, 1560165, 1726140, 2080220, 2704286, 3120330, 4056429, 5408572, 6240660, 6760715, 8112858, 13521430, 16225716, 20282145, 27042860, 40564290, 81128580]

約数ペア:

[(1, 81128580), (2, 40564290), (3, 27042860), (4, 20282145), (5, 16225716), (6, 13521430), (10, 8112858), (12, 6760715), (13, 6240660), (15, 5408572), (20, 4056429), (26, 3120330), (30, 2704286), (39, 2080220), (47, 1726140), (52, 1560165), (60, 1352143), (65, 1248132), (78, 1040110), (94, 863070), (130, 624066), (141, 575380), (156, 520055), (188, 431535), (195, 416044), (235, 345228), (260, 312033), (282, 287690), (390, 208022), (470, 172614), (564, 143845), (611, 132780), (705, 115076), (780, 104011), (940, 86307), (1222, 66390), (1410, 57538), (1833, 44260), (2213, 36660), (2444, 33195), (2820, 28769), (3055, 26556), (3666, 22130), (4426, 18330), (6110, 13278), (6639, 12220), (7332, 11065), (8852, 9165)]