16408980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{1447}}^1$

素因数の和:1475

約数の個数: 120

約数和(自身を含む): 58869888

約数和(自身を除く): 42460908

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, 1447, 1620, 1890, 2268, 2835, 2894, 3780, 4341, 5670, 5788, 7235, 8682, 10129, 11340, 13023, 14470, 17364, 20258, 21705, 26046, 28940, 30387, 39069, 40516, 43410, 50645, 52092, 60774, 65115, 78138, 86820, 91161, 101290, 117207, 121548, 130230, 151935, 156276, 182322, 195345, 202580, 234414, 260460, 273483, 303870, 364644, 390690, 455805, 468828, 546966, 586035, 607740, 781380, 820449, 911610, 1093932, 1172070, 1367415, 1640898, 1823220, 2344140, 2734830, 3281796, 4102245, 5469660, 8204490, 16408980]

約数ペア:

[(1, 16408980), (2, 8204490), (3, 5469660), (4, 4102245), (5, 3281796), (6, 2734830), (7, 2344140), (9, 1823220), (10, 1640898), (12, 1367415), (14, 1172070), (15, 1093932), (18, 911610), (20, 820449), (21, 781380), (27, 607740), (28, 586035), (30, 546966), (35, 468828), (36, 455805), (42, 390690), (45, 364644), (54, 303870), (60, 273483), (63, 260460), (70, 234414), (81, 202580), (84, 195345), (90, 182322), (105, 156276), (108, 151935), (126, 130230), (135, 121548), (140, 117207), (162, 101290), (180, 91161), (189, 86820), (210, 78138), (252, 65115), (270, 60774), (315, 52092), (324, 50645), (378, 43410), (405, 40516), (420, 39069), (540, 30387), (567, 28940), (630, 26046), (756, 21705), (810, 20258), (945, 17364), (1134, 14470), (1260, 13023), (1447, 11340), (1620, 10129), (1890, 8682), (2268, 7235), (2835, 5788), (2894, 5670), (3780, 4341)]