31118670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:127

約数の個数: 144

約数和(自身を含む): 95679792

約数和(自身を除く): 64561122

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 30, 33, 34, 43, 45, 51, 55, 66, 85, 86, 90, 99, 102, 110, 129, 153, 165, 170, 187, 198, 215, 255, 258, 306, 330, 374, 387, 430, 473, 495, 510, 561, 645, 731, 765, 774, 935, 946, 990, 1122, 1290, 1419, 1462, 1530, 1683, 1849, 1870, 1935, 2193, 2365, 2805, 2838, 3366, 3655, 3698, 3870, 4257, 4386, 4730, 5547, 5610, 6579, 7095, 7310, 8041, 8415, 8514, 9245, 10965, 11094, 13158, 14190, 16082, 16641, 16830, 18490, 20339, 21285, 21930, 24123, 27735, 31433, 32895, 33282, 40205, 40678, 42570, 48246, 55470, 61017, 62866, 65790, 72369, 80410, 83205, 94299, 101695, 120615, 122034, 144738, 157165, 166410, 183051, 188598, 203390, 241230, 282897, 305085, 314330, 345763, 361845, 366102, 471495, 565794, 610170, 691526, 723690, 915255, 942990, 1037289, 1414485, 1728815, 1830510, 2074578, 2828970, 3111867, 3457630, 5186445, 6223734, 10372890, 15559335, 31118670]

約数ペア:

[(1, 31118670), (2, 15559335), (3, 10372890), (5, 6223734), (6, 5186445), (9, 3457630), (10, 3111867), (11, 2828970), (15, 2074578), (17, 1830510), (18, 1728815), (22, 1414485), (30, 1037289), (33, 942990), (34, 915255), (43, 723690), (45, 691526), (51, 610170), (55, 565794), (66, 471495), (85, 366102), (86, 361845), (90, 345763), (99, 314330), (102, 305085), (110, 282897), (129, 241230), (153, 203390), (165, 188598), (170, 183051), (187, 166410), (198, 157165), (215, 144738), (255, 122034), (258, 120615), (306, 101695), (330, 94299), (374, 83205), (387, 80410), (430, 72369), (473, 65790), (495, 62866), (510, 61017), (561, 55470), (645, 48246), (731, 42570), (765, 40678), (774, 40205), (935, 33282), (946, 32895), (990, 31433), (1122, 27735), (1290, 24123), (1419, 21930), (1462, 21285), (1530, 20339), (1683, 18490), (1849, 16830), (1870, 16641), (1935, 16082), (2193, 14190), (2365, 13158), (2805, 11094), (2838, 10965), (3366, 9245), (3655, 8514), (3698, 8415), (3870, 8041), (4257, 7310), (4386, 7095), (4730, 6579), (5547, 5610)]