206811540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2851}}^1$

素因数の和:2910

約数の個数: 144

約数和(自身を含む): 697622016

約数和(自身を除く): 490810476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 2851, 3627, 4030, 4836, 5580, 5702, 6045, 7254, 8060, 8553, 11404, 12090, 14255, 14508, 17106, 18135, 24180, 25659, 28510, 34212, 36270, 37063, 42765, 51318, 57020, 72540, 74126, 85530, 88381, 102636, 111189, 128295, 148252, 171060, 176762, 185315, 222378, 256590, 265143, 333567, 353524, 370630, 441905, 444756, 513180, 530286, 555945, 667134, 741260, 795429, 883810, 1060572, 1111890, 1148953, 1325715, 1334268, 1590858, 1667835, 1767620, 2223780, 2297906, 2651430, 3181716, 3335670, 3446859, 3977145, 4595812, 5302860, 5744765, 6671340, 6893718, 7954290, 10340577, 11489530, 13787436, 15908580, 17234295, 20681154, 22979060, 34468590, 41362308, 51702885, 68937180, 103405770, 206811540]

約数ペア:

[(1, 206811540), (2, 103405770), (3, 68937180), (4, 51702885), (5, 41362308), (6, 34468590), (9, 22979060), (10, 20681154), (12, 17234295), (13, 15908580), (15, 13787436), (18, 11489530), (20, 10340577), (26, 7954290), (30, 6893718), (31, 6671340), (36, 5744765), (39, 5302860), (45, 4595812), (52, 3977145), (60, 3446859), (62, 3335670), (65, 3181716), (78, 2651430), (90, 2297906), (93, 2223780), (117, 1767620), (124, 1667835), (130, 1590858), (155, 1334268), (156, 1325715), (180, 1148953), (186, 1111890), (195, 1060572), (234, 883810), (260, 795429), (279, 741260), (310, 667134), (372, 555945), (390, 530286), (403, 513180), (465, 444756), (468, 441905), (558, 370630), (585, 353524), (620, 333567), (780, 265143), (806, 256590), (930, 222378), (1116, 185315), (1170, 176762), (1209, 171060), (1395, 148252), (1612, 128295), (1860, 111189), (2015, 102636), (2340, 88381), (2418, 85530), (2790, 74126), (2851, 72540), (3627, 57020), (4030, 51318), (4836, 42765), (5580, 37063), (5702, 36270), (6045, 34212), (7254, 28510), (8060, 25659), (8553, 24180), (11404, 18135), (12090, 17106), (14255, 14508)]