90739480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:501

約数の個数: 96

約数和(自身を含む): 228735360

約数和(自身を除く): 137995880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 169, 248, 260, 310, 338, 403, 433, 520, 620, 676, 806, 845, 866, 1240, 1352, 1612, 1690, 1732, 2015, 2165, 3224, 3380, 3464, 4030, 4330, 5239, 5629, 6760, 8060, 8660, 10478, 11258, 13423, 16120, 17320, 20956, 22516, 26195, 26846, 28145, 41912, 45032, 52390, 53692, 56290, 67115, 73177, 104780, 107384, 112580, 134230, 146354, 174499, 209560, 225160, 268460, 292708, 348998, 365885, 536920, 585416, 697996, 731770, 872495, 1395992, 1463540, 1744990, 2268487, 2927080, 3489980, 4536974, 6979960, 9073948, 11342435, 18147896, 22684870, 45369740, 90739480]

約数ペア:

[(1, 90739480), (2, 45369740), (4, 22684870), (5, 18147896), (8, 11342435), (10, 9073948), (13, 6979960), (20, 4536974), (26, 3489980), (31, 2927080), (40, 2268487), (52, 1744990), (62, 1463540), (65, 1395992), (104, 872495), (124, 731770), (130, 697996), (155, 585416), (169, 536920), (248, 365885), (260, 348998), (310, 292708), (338, 268460), (403, 225160), (433, 209560), (520, 174499), (620, 146354), (676, 134230), (806, 112580), (845, 107384), (866, 104780), (1240, 73177), (1352, 67115), (1612, 56290), (1690, 53692), (1732, 52390), (2015, 45032), (2165, 41912), (3224, 28145), (3380, 26846), (3464, 26195), (4030, 22516), (4330, 20956), (5239, 17320), (5629, 16120), (6760, 13423), (8060, 11258), (8660, 10478)]