78627720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{38543}}^1$

素因数の和:38574

約数の個数: 64

約数和(自身を含む): 249765120

約数和(自身を除く): 171137400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 38543, 77086, 115629, 154172, 192715, 231258, 308344, 385430, 462516, 578145, 655231, 770860, 925032, 1156290, 1310462, 1541720, 1965693, 2312580, 2620924, 3276155, 3931386, 4625160, 5241848, 6552310, 7862772, 9828465, 13104620, 15725544, 19656930, 26209240, 39313860, 78627720]

約数ペア:

[(1, 78627720), (2, 39313860), (3, 26209240), (4, 19656930), (5, 15725544), (6, 13104620), (8, 9828465), (10, 7862772), (12, 6552310), (15, 5241848), (17, 4625160), (20, 3931386), (24, 3276155), (30, 2620924), (34, 2312580), (40, 1965693), (51, 1541720), (60, 1310462), (68, 1156290), (85, 925032), (102, 770860), (120, 655231), (136, 578145), (170, 462516), (204, 385430), (255, 308344), (340, 231258), (408, 192715), (510, 154172), (680, 115629), (1020, 77086), (2040, 38543)]