248880840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{159539}}^1$

素因数の和:159566

約数の個数: 64

約数和(自身を含む): 804081600

約数和(自身を除く): 555200760

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, 159539, 319078, 478617, 638156, 797695, 957234, 1276312, 1595390, 1914468, 2074007, 2393085, 3190780, 3828936, 4148014, 4786170, 6222021, 6381560, 8296028, 9572340, 10370035, 12444042, 16592056, 19144680, 20740070, 24888084, 31110105, 41480140, 49776168, 62220210, 82960280, 124440420, 248880840]

約数ペア:

[(1, 248880840), (2, 124440420), (3, 82960280), (4, 62220210), (5, 49776168), (6, 41480140), (8, 31110105), (10, 24888084), (12, 20740070), (13, 19144680), (15, 16592056), (20, 12444042), (24, 10370035), (26, 9572340), (30, 8296028), (39, 6381560), (40, 6222021), (52, 4786170), (60, 4148014), (65, 3828936), (78, 3190780), (104, 2393085), (120, 2074007), (130, 1914468), (156, 1595390), (195, 1276312), (260, 957234), (312, 797695), (390, 638156), (520, 478617), (780, 319078), (1560, 159539)]