287389620

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{25343}}^1$

素因数の和:25371

約数の個数: 120

約数和(自身を含む): 1030385664

約数和(自身を除く): 742996044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 25343, 50686, 76029, 101372, 126715, 152058, 177401, 228087, 253430, 304116, 354802, 380145, 456174, 506860, 532203, 684261, 709604, 760290, 887005, 912348, 1064406, 1140435, 1368522, 1520580, 1596609, 1774010, 2052783, 2128812, 2280870, 2661015, 2737044, 3193218, 3421305, 3548020, 4105566, 4561740, 4789827, 5322030, 6386436, 6842610, 7983045, 8211132, 9579654, 10263915, 10644060, 13685220, 14369481, 15966090, 19159308, 20527830, 23949135, 28738962, 31932180, 41055660, 47898270, 57477924, 71847405, 95796540, 143694810, 287389620]

約数ペア:

[(1, 287389620), (2, 143694810), (3, 95796540), (4, 71847405), (5, 57477924), (6, 47898270), (7, 41055660), (9, 31932180), (10, 28738962), (12, 23949135), (14, 20527830), (15, 19159308), (18, 15966090), (20, 14369481), (21, 13685220), (27, 10644060), (28, 10263915), (30, 9579654), (35, 8211132), (36, 7983045), (42, 6842610), (45, 6386436), (54, 5322030), (60, 4789827), (63, 4561740), (70, 4105566), (81, 3548020), (84, 3421305), (90, 3193218), (105, 2737044), (108, 2661015), (126, 2280870), (135, 2128812), (140, 2052783), (162, 1774010), (180, 1596609), (189, 1520580), (210, 1368522), (252, 1140435), (270, 1064406), (315, 912348), (324, 887005), (378, 760290), (405, 709604), (420, 684261), (540, 532203), (567, 506860), (630, 456174), (756, 380145), (810, 354802), (945, 304116), (1134, 253430), (1260, 228087), (1620, 177401), (1890, 152058), (2268, 126715), (2835, 101372), (3780, 76029), (5670, 50686), (11340, 25343)]