643071780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274817}}^1$

素因数の和:274845

約数の個数: 72

約数和(自身を含む): 2100708792

約数和(自身を除く): 1457637012

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, 274817, 549634, 824451, 1099268, 1374085, 1648902, 2473353, 2748170, 3297804, 3572621, 4122255, 4946706, 5496340, 7145242, 8244510, 9893412, 10717863, 12366765, 14290484, 16489020, 17863105, 21435726, 24733530, 32153589, 35726210, 42871452, 49467060, 53589315, 64307178, 71452420, 107178630, 128614356, 160767945, 214357260, 321535890, 643071780]

約数ペア:

[(1, 643071780), (2, 321535890), (3, 214357260), (4, 160767945), (5, 128614356), (6, 107178630), (9, 71452420), (10, 64307178), (12, 53589315), (13, 49467060), (15, 42871452), (18, 35726210), (20, 32153589), (26, 24733530), (30, 21435726), (36, 17863105), (39, 16489020), (45, 14290484), (52, 12366765), (60, 10717863), (65, 9893412), (78, 8244510), (90, 7145242), (117, 5496340), (130, 4946706), (156, 4122255), (180, 3572621), (195, 3297804), (234, 2748170), (260, 2473353), (390, 1648902), (468, 1374085), (585, 1099268), (780, 824451), (1170, 549634), (2340, 274817)]