1689660

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{149}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 6098400

約数和(自身を除く): 4408740

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, 149, 162, 180, 189, 210, 252, 270, 298, 315, 324, 378, 405, 420, 447, 540, 567, 596, 630, 745, 756, 810, 894, 945, 1043, 1134, 1260, 1341, 1490, 1620, 1788, 1890, 2086, 2235, 2268, 2682, 2835, 2980, 3129, 3780, 4023, 4172, 4470, 5215, 5364, 5670, 6258, 6705, 8046, 8940, 9387, 10430, 11340, 12069, 12516, 13410, 15645, 16092, 18774, 20115, 20860, 24138, 26820, 28161, 31290, 37548, 40230, 46935, 48276, 56322, 60345, 62580, 80460, 84483, 93870, 112644, 120690, 140805, 168966, 187740, 241380, 281610, 337932, 422415, 563220, 844830, 1689660]

約数ペア:

[(1, 1689660), (2, 844830), (3, 563220), (4, 422415), (5, 337932), (6, 281610), (7, 241380), (9, 187740), (10, 168966), (12, 140805), (14, 120690), (15, 112644), (18, 93870), (20, 84483), (21, 80460), (27, 62580), (28, 60345), (30, 56322), (35, 48276), (36, 46935), (42, 40230), (45, 37548), (54, 31290), (60, 28161), (63, 26820), (70, 24138), (81, 20860), (84, 20115), (90, 18774), (105, 16092), (108, 15645), (126, 13410), (135, 12516), (140, 12069), (149, 11340), (162, 10430), (180, 9387), (189, 8940), (210, 8046), (252, 6705), (270, 6258), (298, 5670), (315, 5364), (324, 5215), (378, 4470), (405, 4172), (420, 4023), (447, 3780), (540, 3129), (567, 2980), (596, 2835), (630, 2682), (745, 2268), (756, 2235), (810, 2086), (894, 1890), (945, 1788), (1043, 1620), (1134, 1490), (1260, 1341)]