80082660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{27239}}^1$

素因数の和:27265

約数の個数: 72

約数和(自身を含む): 260850240

約数和(自身を除く): 180767580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 27239, 54478, 81717, 108956, 136195, 163434, 190673, 272390, 326868, 381346, 408585, 544780, 572019, 762692, 817170, 953365, 1144038, 1334711, 1634340, 1906730, 2288076, 2669422, 2860095, 3813460, 4004133, 5338844, 5720190, 6673555, 8008266, 11440380, 13347110, 16016532, 20020665, 26694220, 40041330, 80082660]

約数ペア:

[(1, 80082660), (2, 40041330), (3, 26694220), (4, 20020665), (5, 16016532), (6, 13347110), (7, 11440380), (10, 8008266), (12, 6673555), (14, 5720190), (15, 5338844), (20, 4004133), (21, 3813460), (28, 2860095), (30, 2669422), (35, 2288076), (42, 1906730), (49, 1634340), (60, 1334711), (70, 1144038), (84, 953365), (98, 817170), (105, 762692), (140, 572019), (147, 544780), (196, 408585), (210, 381346), (245, 326868), (294, 272390), (420, 190673), (490, 163434), (588, 136195), (735, 108956), (980, 81717), (1470, 54478), (2940, 27239)]