12157740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{9649}}^1$

素因数の和:9671

約数の個数: 72

約数和(自身を含む): 42151200

約数和(自身を除く): 29993460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 9649, 19298, 28947, 38596, 48245, 57894, 67543, 86841, 96490, 115788, 135086, 144735, 173682, 192980, 202629, 270172, 289470, 337715, 347364, 405258, 434205, 578940, 607887, 675430, 810516, 868410, 1013145, 1215774, 1350860, 1736820, 2026290, 2431548, 3039435, 4052580, 6078870, 12157740]

約数ペア:

[(1, 12157740), (2, 6078870), (3, 4052580), (4, 3039435), (5, 2431548), (6, 2026290), (7, 1736820), (9, 1350860), (10, 1215774), (12, 1013145), (14, 868410), (15, 810516), (18, 675430), (20, 607887), (21, 578940), (28, 434205), (30, 405258), (35, 347364), (36, 337715), (42, 289470), (45, 270172), (60, 202629), (63, 192980), (70, 173682), (84, 144735), (90, 135086), (105, 115788), (126, 96490), (140, 86841), (180, 67543), (210, 57894), (252, 48245), (315, 38596), (420, 28947), (630, 19298), (1260, 9649)]