161287980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4861}}^1$

素因数の和:4959

約数の個数: 96

約数和(自身を含む): 522762240

約数和(自身を除く): 361474260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 79, 84, 105, 140, 158, 210, 237, 316, 395, 420, 474, 553, 790, 948, 1106, 1185, 1580, 1659, 2212, 2370, 2765, 3318, 4740, 4861, 5530, 6636, 8295, 9722, 11060, 14583, 16590, 19444, 24305, 29166, 33180, 34027, 48610, 58332, 68054, 72915, 97220, 102081, 136108, 145830, 170135, 204162, 291660, 340270, 384019, 408324, 510405, 680540, 768038, 1020810, 1152057, 1536076, 1920095, 2041620, 2304114, 2688133, 3840190, 4608228, 5376266, 5760285, 7680380, 8064399, 10752532, 11520570, 13440665, 16128798, 23041140, 26881330, 32257596, 40321995, 53762660, 80643990, 161287980]

約数ペア:

[(1, 161287980), (2, 80643990), (3, 53762660), (4, 40321995), (5, 32257596), (6, 26881330), (7, 23041140), (10, 16128798), (12, 13440665), (14, 11520570), (15, 10752532), (20, 8064399), (21, 7680380), (28, 5760285), (30, 5376266), (35, 4608228), (42, 3840190), (60, 2688133), (70, 2304114), (79, 2041620), (84, 1920095), (105, 1536076), (140, 1152057), (158, 1020810), (210, 768038), (237, 680540), (316, 510405), (395, 408324), (420, 384019), (474, 340270), (553, 291660), (790, 204162), (948, 170135), (1106, 145830), (1185, 136108), (1580, 102081), (1659, 97220), (2212, 72915), (2370, 68054), (2765, 58332), (3318, 48610), (4740, 34027), (4861, 33180), (5530, 29166), (6636, 24305), (8295, 19444), (9722, 16590), (11060, 14583)]