256869720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23017}}^1$

素因数の和:23065

約数の個数: 96

約数和(自身を含む): 861793920

約数和(自身を除く): 604924200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 23017, 46034, 69051, 92068, 115085, 138102, 184136, 207153, 230170, 276204, 345255, 414306, 460340, 552408, 690510, 713527, 828612, 920680, 1035765, 1381020, 1427054, 1657224, 2071530, 2140581, 2762040, 2854108, 3567635, 4143060, 4281162, 5708216, 6421743, 7135270, 8286120, 8562324, 10702905, 12843486, 14270540, 17124648, 21405810, 25686972, 28541080, 32108715, 42811620, 51373944, 64217430, 85623240, 128434860, 256869720]

約数ペア:

[(1, 256869720), (2, 128434860), (3, 85623240), (4, 64217430), (5, 51373944), (6, 42811620), (8, 32108715), (9, 28541080), (10, 25686972), (12, 21405810), (15, 17124648), (18, 14270540), (20, 12843486), (24, 10702905), (30, 8562324), (31, 8286120), (36, 7135270), (40, 6421743), (45, 5708216), (60, 4281162), (62, 4143060), (72, 3567635), (90, 2854108), (93, 2762040), (120, 2140581), (124, 2071530), (155, 1657224), (180, 1427054), (186, 1381020), (248, 1035765), (279, 920680), (310, 828612), (360, 713527), (372, 690510), (465, 552408), (558, 460340), (620, 414306), (744, 345255), (930, 276204), (1116, 230170), (1240, 207153), (1395, 184136), (1860, 138102), (2232, 115085), (2790, 92068), (3720, 69051), (5580, 46034), (11160, 23017)]