181865840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5641}}^1$

素因数の和:5698

約数の個数: 80

約数和(自身を含む): 470136576

約数和(自身を除く): 288270736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 5641, 6448, 8060, 11282, 16120, 22564, 28205, 32240, 45128, 56410, 73333, 90256, 112820, 146666, 174871, 225640, 293332, 349742, 366665, 451280, 586664, 699484, 733330, 874355, 1173328, 1398968, 1466660, 1748710, 2273323, 2797936, 2933320, 3497420, 4546646, 5866640, 6994840, 9093292, 11366615, 13989680, 18186584, 22733230, 36373168, 45466460, 90932920, 181865840]

約数ペア:

[(1, 181865840), (2, 90932920), (4, 45466460), (5, 36373168), (8, 22733230), (10, 18186584), (13, 13989680), (16, 11366615), (20, 9093292), (26, 6994840), (31, 5866640), (40, 4546646), (52, 3497420), (62, 2933320), (65, 2797936), (80, 2273323), (104, 1748710), (124, 1466660), (130, 1398968), (155, 1173328), (208, 874355), (248, 733330), (260, 699484), (310, 586664), (403, 451280), (496, 366665), (520, 349742), (620, 293332), (806, 225640), (1040, 174871), (1240, 146666), (1612, 112820), (2015, 90256), (2480, 73333), (3224, 56410), (4030, 45128), (5641, 32240), (6448, 28205), (8060, 22564), (11282, 16120)]