2890890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 80

約数和(自身を含む): 8049888

約数和(自身を除く): 5158998

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 81, 83, 86, 90, 129, 135, 162, 166, 215, 249, 258, 270, 387, 405, 415, 430, 498, 645, 747, 774, 810, 830, 1161, 1245, 1290, 1494, 1935, 2241, 2322, 2490, 3483, 3569, 3735, 3870, 4482, 5805, 6723, 6966, 7138, 7470, 10707, 11205, 11610, 13446, 17415, 17845, 21414, 22410, 32121, 33615, 34830, 35690, 53535, 64242, 67230, 96363, 107070, 160605, 192726, 289089, 321210, 481815, 578178, 963630, 1445445, 2890890]

約数ペア:

[(1, 2890890), (2, 1445445), (3, 963630), (5, 578178), (6, 481815), (9, 321210), (10, 289089), (15, 192726), (18, 160605), (27, 107070), (30, 96363), (43, 67230), (45, 64242), (54, 53535), (81, 35690), (83, 34830), (86, 33615), (90, 32121), (129, 22410), (135, 21414), (162, 17845), (166, 17415), (215, 13446), (249, 11610), (258, 11205), (270, 10707), (387, 7470), (405, 7138), (415, 6966), (430, 6723), (498, 5805), (645, 4482), (747, 3870), (774, 3735), (810, 3569), (830, 3483), (1161, 2490), (1245, 2322), (1290, 2241), (1494, 1935)]