121878960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{72547}}^1$

素因数の和:72570

約数の個数: 80

約数和(自身を含む): 431805696

約数和(自身を除く): 309926736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 72547, 145094, 217641, 290188, 362735, 435282, 507829, 580376, 725470, 870564, 1015658, 1088205, 1160752, 1450940, 1523487, 1741128, 2031316, 2176410, 2539145, 2901880, 3046974, 3482256, 4062632, 4352820, 5078290, 5803760, 6093948, 7617435, 8125264, 8705640, 10156580, 12187896, 15234870, 17411280, 20313160, 24375792, 30469740, 40626320, 60939480, 121878960]

約数ペア:

[(1, 121878960), (2, 60939480), (3, 40626320), (4, 30469740), (5, 24375792), (6, 20313160), (7, 17411280), (8, 15234870), (10, 12187896), (12, 10156580), (14, 8705640), (15, 8125264), (16, 7617435), (20, 6093948), (21, 5803760), (24, 5078290), (28, 4352820), (30, 4062632), (35, 3482256), (40, 3046974), (42, 2901880), (48, 2539145), (56, 2176410), (60, 2031316), (70, 1741128), (80, 1523487), (84, 1450940), (105, 1160752), (112, 1088205), (120, 1015658), (140, 870564), (168, 725470), (210, 580376), (240, 507829), (280, 435282), (336, 362735), (420, 290188), (560, 217641), (840, 145094), (1680, 72547)]