31238640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1009}}^1$

素因数の和:1071

約数の個数: 120

約数和(自身を含む): 107455920

約数和(自身を除く): 76217280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1009, 1032, 1290, 1548, 1720, 1935, 2018, 2064, 2580, 3027, 3096, 3440, 3870, 4036, 5045, 5160, 6054, 6192, 7740, 8072, 9081, 10090, 10320, 12108, 15135, 15480, 16144, 18162, 20180, 24216, 30270, 30960, 36324, 40360, 43387, 45405, 48432, 60540, 72648, 80720, 86774, 90810, 121080, 130161, 145296, 173548, 181620, 216935, 242160, 260322, 347096, 363240, 390483, 433870, 520644, 650805, 694192, 726480, 780966, 867740, 1041288, 1301610, 1561932, 1735480, 1952415, 2082576, 2603220, 3123864, 3470960, 3904830, 5206440, 6247728, 7809660, 10412880, 15619320, 31238640]

約数ペア:

[(1, 31238640), (2, 15619320), (3, 10412880), (4, 7809660), (5, 6247728), (6, 5206440), (8, 3904830), (9, 3470960), (10, 3123864), (12, 2603220), (15, 2082576), (16, 1952415), (18, 1735480), (20, 1561932), (24, 1301610), (30, 1041288), (36, 867740), (40, 780966), (43, 726480), (45, 694192), (48, 650805), (60, 520644), (72, 433870), (80, 390483), (86, 363240), (90, 347096), (120, 260322), (129, 242160), (144, 216935), (172, 181620), (180, 173548), (215, 145296), (240, 130161), (258, 121080), (344, 90810), (360, 86774), (387, 80720), (430, 72648), (516, 60540), (645, 48432), (688, 45405), (720, 43387), (774, 40360), (860, 36324), (1009, 30960), (1032, 30270), (1290, 24216), (1548, 20180), (1720, 18162), (1935, 16144), (2018, 15480), (2064, 15135), (2580, 12108), (3027, 10320), (3096, 10090), (3440, 9081), (3870, 8072), (4036, 7740), (5045, 6192), (5160, 6054)]