30927780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13217}}^1$

素因数の和:13245

約数の個数: 72

約数和(自身を含む): 101038392

約数和(自身を除く): 70110612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 13217, 26434, 39651, 52868, 66085, 79302, 118953, 132170, 158604, 171821, 198255, 237906, 264340, 343642, 396510, 475812, 515463, 594765, 687284, 793020, 859105, 1030926, 1189530, 1546389, 1718210, 2061852, 2379060, 2577315, 3092778, 3436420, 5154630, 6185556, 7731945, 10309260, 15463890, 30927780]

約数ペア:

[(1, 30927780), (2, 15463890), (3, 10309260), (4, 7731945), (5, 6185556), (6, 5154630), (9, 3436420), (10, 3092778), (12, 2577315), (13, 2379060), (15, 2061852), (18, 1718210), (20, 1546389), (26, 1189530), (30, 1030926), (36, 859105), (39, 793020), (45, 687284), (52, 594765), (60, 515463), (65, 475812), (78, 396510), (90, 343642), (117, 264340), (130, 237906), (156, 198255), (180, 171821), (195, 158604), (234, 132170), (260, 118953), (390, 79302), (468, 66085), (585, 52868), (780, 39651), (1170, 26434), (2340, 13217)]