87388380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15661}}^1$

素因数の和:15707

約数の個数: 72

約数和(自身を含む): 273646464

約数和(自身を除く): 186258084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 15661, 31322, 46983, 62644, 78305, 93966, 140949, 156610, 187932, 234915, 281898, 313220, 469830, 485491, 563796, 704745, 939660, 970982, 1409490, 1456473, 1941964, 2427455, 2818980, 2912946, 4369419, 4854910, 5825892, 7282365, 8738838, 9709820, 14564730, 17477676, 21847095, 29129460, 43694190, 87388380]

約数ペア:

[(1, 87388380), (2, 43694190), (3, 29129460), (4, 21847095), (5, 17477676), (6, 14564730), (9, 9709820), (10, 8738838), (12, 7282365), (15, 5825892), (18, 4854910), (20, 4369419), (30, 2912946), (31, 2818980), (36, 2427455), (45, 1941964), (60, 1456473), (62, 1409490), (90, 970982), (93, 939660), (124, 704745), (155, 563796), (180, 485491), (186, 469830), (279, 313220), (310, 281898), (372, 234915), (465, 187932), (558, 156610), (620, 140949), (930, 93966), (1116, 78305), (1395, 62644), (1860, 46983), (2790, 31322), (5580, 15661)]