215820930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{877}}^1$

素因数の和:1531

約数の個数: 64

約数和(自身を含む): 559335168

約数和(自身を除く): 343514238

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 631, 877, 1262, 1754, 1893, 2631, 3155, 3786, 4385, 5262, 6310, 8203, 8770, 9465, 11401, 13155, 16406, 18930, 22802, 24609, 26310, 34203, 41015, 49218, 57005, 68406, 82030, 114010, 123045, 171015, 246090, 342030, 553387, 1106774, 1660161, 2766935, 3320322, 5533870, 7194031, 8300805, 14388062, 16601610, 21582093, 35970155, 43164186, 71940310, 107910465, 215820930]

約数ペア:

[(1, 215820930), (2, 107910465), (3, 71940310), (5, 43164186), (6, 35970155), (10, 21582093), (13, 16601610), (15, 14388062), (26, 8300805), (30, 7194031), (39, 5533870), (65, 3320322), (78, 2766935), (130, 1660161), (195, 1106774), (390, 553387), (631, 342030), (877, 246090), (1262, 171015), (1754, 123045), (1893, 114010), (2631, 82030), (3155, 68406), (3786, 57005), (4385, 49218), (5262, 41015), (6310, 34203), (8203, 26310), (8770, 24609), (9465, 22802), (11401, 18930), (13155, 16406)]