55978440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:771

約数の個数: 128

約数和(自身を含む): 194088960

約数和(自身を除く): 138110520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 103, 105, 120, 140, 168, 206, 210, 280, 309, 412, 420, 515, 618, 647, 721, 824, 840, 1030, 1236, 1294, 1442, 1545, 1941, 2060, 2163, 2472, 2588, 2884, 3090, 3235, 3605, 3882, 4120, 4326, 4529, 5176, 5768, 6180, 6470, 7210, 7764, 8652, 9058, 9705, 10815, 12360, 12940, 13587, 14420, 15528, 17304, 18116, 19410, 21630, 22645, 25880, 27174, 28840, 36232, 38820, 43260, 45290, 54348, 66641, 67935, 77640, 86520, 90580, 108696, 133282, 135870, 181160, 199923, 266564, 271740, 333205, 399846, 466487, 533128, 543480, 666410, 799692, 932974, 999615, 1332820, 1399461, 1599384, 1865948, 1999230, 2332435, 2665640, 2798922, 3731896, 3998460, 4664870, 5597844, 6997305, 7996920, 9329740, 11195688, 13994610, 18659480, 27989220, 55978440]

約数ペア:

[(1, 55978440), (2, 27989220), (3, 18659480), (4, 13994610), (5, 11195688), (6, 9329740), (7, 7996920), (8, 6997305), (10, 5597844), (12, 4664870), (14, 3998460), (15, 3731896), (20, 2798922), (21, 2665640), (24, 2332435), (28, 1999230), (30, 1865948), (35, 1599384), (40, 1399461), (42, 1332820), (56, 999615), (60, 932974), (70, 799692), (84, 666410), (103, 543480), (105, 533128), (120, 466487), (140, 399846), (168, 333205), (206, 271740), (210, 266564), (280, 199923), (309, 181160), (412, 135870), (420, 133282), (515, 108696), (618, 90580), (647, 86520), (721, 77640), (824, 67935), (840, 66641), (1030, 54348), (1236, 45290), (1294, 43260), (1442, 38820), (1545, 36232), (1941, 28840), (2060, 27174), (2163, 25880), (2472, 22645), (2588, 21630), (2884, 19410), (3090, 18116), (3235, 17304), (3605, 15528), (3882, 14420), (4120, 13587), (4326, 12940), (4529, 12360), (5176, 10815), (5768, 9705), (6180, 9058), (6470, 8652), (7210, 7764)]