87210440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1327}}^1$

素因数の和:1422

約数の個数: 64

約数和(自身を含む): 206530560

約数和(自身を除く): 119320120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 620, 1060, 1240, 1327, 1643, 2120, 2654, 3286, 5308, 6572, 6635, 8215, 10616, 13144, 13270, 16430, 26540, 32860, 41137, 53080, 65720, 70331, 82274, 140662, 164548, 205685, 281324, 329096, 351655, 411370, 562648, 703310, 822740, 1406620, 1645480, 2180261, 2813240, 4360522, 8721044, 10901305, 17442088, 21802610, 43605220, 87210440]

約数ペア:

[(1, 87210440), (2, 43605220), (4, 21802610), (5, 17442088), (8, 10901305), (10, 8721044), (20, 4360522), (31, 2813240), (40, 2180261), (53, 1645480), (62, 1406620), (106, 822740), (124, 703310), (155, 562648), (212, 411370), (248, 351655), (265, 329096), (310, 281324), (424, 205685), (530, 164548), (620, 140662), (1060, 82274), (1240, 70331), (1327, 65720), (1643, 53080), (2120, 41137), (2654, 32860), (3286, 26540), (5308, 16430), (6572, 13270), (6635, 13144), (8215, 10616)]