438264840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280939}}^1$

素因数の和:280966

約数の個数: 64

約数和(自身を含む): 1415937600

約数和(自身を除く): 977672760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 280939, 561878, 842817, 1123756, 1404695, 1685634, 2247512, 2809390, 3371268, 3652207, 4214085, 5618780, 6742536, 7304414, 8428170, 10956621, 11237560, 14608828, 16856340, 18261035, 21913242, 29217656, 33712680, 36522070, 43826484, 54783105, 73044140, 87652968, 109566210, 146088280, 219132420, 438264840]

約数ペア:

[(1, 438264840), (2, 219132420), (3, 146088280), (4, 109566210), (5, 87652968), (6, 73044140), (8, 54783105), (10, 43826484), (12, 36522070), (13, 33712680), (15, 29217656), (20, 21913242), (24, 18261035), (26, 16856340), (30, 14608828), (39, 11237560), (40, 10956621), (52, 8428170), (60, 7304414), (65, 6742536), (78, 5618780), (104, 4214085), (120, 3652207), (130, 3371268), (156, 2809390), (195, 2247512), (260, 1685634), (312, 1404695), (390, 1123756), (520, 842817), (780, 561878), (1560, 280939)]