68037825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 123949408

約数和(自身を除く): 55911583

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 73, 75, 85, 129, 215, 219, 255, 289, 365, 425, 645, 731, 867, 1075, 1095, 1241, 1275, 1445, 1825, 2193, 3139, 3225, 3655, 3723, 4335, 5475, 6205, 7225, 9417, 10965, 12427, 15695, 18275, 18615, 21097, 21675, 31025, 37281, 47085, 53363, 54825, 62135, 63291, 78475, 93075, 105485, 160089, 186405, 235425, 266815, 310675, 316455, 527425, 800445, 907171, 932025, 1334075, 1582275, 2721513, 4002225, 4535855, 13607565, 22679275, 68037825]

約数ペア:

[(1, 68037825), (3, 22679275), (5, 13607565), (15, 4535855), (17, 4002225), (25, 2721513), (43, 1582275), (51, 1334075), (73, 932025), (75, 907171), (85, 800445), (129, 527425), (215, 316455), (219, 310675), (255, 266815), (289, 235425), (365, 186405), (425, 160089), (645, 105485), (731, 93075), (867, 78475), (1075, 63291), (1095, 62135), (1241, 54825), (1275, 53363), (1445, 47085), (1825, 37281), (2193, 31025), (3139, 21675), (3225, 21097), (3655, 18615), (3723, 18275), (4335, 15695), (5475, 12427), (6205, 10965), (7225, 9417)]