81614820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{613}}^1$

素因数の和:949

約数の個数: 96

約数和(自身を含む): 262418688

約数和(自身を除く): 180803868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 317, 420, 613, 634, 951, 1226, 1268, 1585, 1839, 1902, 2219, 2452, 3065, 3170, 3678, 3804, 4291, 4438, 4755, 6130, 6340, 6657, 7356, 8582, 8876, 9195, 9510, 11095, 12260, 12873, 13314, 17164, 18390, 19020, 21455, 22190, 25746, 26628, 33285, 36780, 42910, 44380, 51492, 64365, 66570, 85820, 128730, 133140, 194321, 257460, 388642, 582963, 777284, 971605, 1165926, 1360247, 1943210, 2331852, 2720494, 2914815, 3886420, 4080741, 5440988, 5829630, 6801235, 8161482, 11659260, 13602470, 16322964, 20403705, 27204940, 40807410, 81614820]

約数ペア:

[(1, 81614820), (2, 40807410), (3, 27204940), (4, 20403705), (5, 16322964), (6, 13602470), (7, 11659260), (10, 8161482), (12, 6801235), (14, 5829630), (15, 5440988), (20, 4080741), (21, 3886420), (28, 2914815), (30, 2720494), (35, 2331852), (42, 1943210), (60, 1360247), (70, 1165926), (84, 971605), (105, 777284), (140, 582963), (210, 388642), (317, 257460), (420, 194321), (613, 133140), (634, 128730), (951, 85820), (1226, 66570), (1268, 64365), (1585, 51492), (1839, 44380), (1902, 42910), (2219, 36780), (2452, 33285), (3065, 26628), (3170, 25746), (3678, 22190), (3804, 21455), (4291, 19020), (4438, 18390), (4755, 17164), (6130, 13314), (6340, 12873), (6657, 12260), (7356, 11095), (8582, 9510), (8876, 9195)]