15186280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 36334080

約数和(自身を除く): 21147800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 331, 370, 620, 662, 740, 1147, 1240, 1324, 1480, 1655, 2294, 2648, 3310, 4588, 5735, 6620, 9176, 10261, 11470, 12247, 13240, 20522, 22940, 24494, 41044, 45880, 48988, 51305, 61235, 82088, 97976, 102610, 122470, 205220, 244940, 379657, 410440, 489880, 759314, 1518628, 1898285, 3037256, 3796570, 7593140, 15186280]

約数ペア:

[(1, 15186280), (2, 7593140), (4, 3796570), (5, 3037256), (8, 1898285), (10, 1518628), (20, 759314), (31, 489880), (37, 410440), (40, 379657), (62, 244940), (74, 205220), (124, 122470), (148, 102610), (155, 97976), (185, 82088), (248, 61235), (296, 51305), (310, 48988), (331, 45880), (370, 41044), (620, 24494), (662, 22940), (740, 20522), (1147, 13240), (1240, 12247), (1324, 11470), (1480, 10261), (1655, 9176), (2294, 6620), (2648, 5735), (3310, 4588)]