27978210

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2657}}^1$

素因数の和:2689

約数の個数: 80

約数和(自身を含む): 81047736

約数和(自身を除く): 53069526

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 2106, 2657, 3510, 5265, 5314, 7971, 10530, 13285, 15942, 23913, 26570, 34541, 39855, 47826, 69082, 71739, 79710, 103623, 119565, 143478, 172705, 207246, 215217, 239130, 310869, 345410, 358695, 430434, 518115, 621738, 717390, 932607, 1036230, 1076085, 1554345, 1865214, 2152170, 2797821, 3108690, 4663035, 5595642, 9326070, 13989105, 27978210]

約数ペア:

[(1, 27978210), (2, 13989105), (3, 9326070), (5, 5595642), (6, 4663035), (9, 3108690), (10, 2797821), (13, 2152170), (15, 1865214), (18, 1554345), (26, 1076085), (27, 1036230), (30, 932607), (39, 717390), (45, 621738), (54, 518115), (65, 430434), (78, 358695), (81, 345410), (90, 310869), (117, 239130), (130, 215217), (135, 207246), (162, 172705), (195, 143478), (234, 119565), (270, 103623), (351, 79710), (390, 71739), (405, 69082), (585, 47826), (702, 39855), (810, 34541), (1053, 26570), (1170, 23913), (1755, 15942), (2106, 13285), (2657, 10530), (3510, 7971), (5265, 5314)]