64806840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{25717}}^1$

素因数の和:25741

約数の個数: 96

約数和(自身を含む): 240720480

約数和(自身を除く): 175913640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 25717, 51434, 77151, 102868, 128585, 154302, 180019, 205736, 231453, 257170, 308604, 360038, 385755, 462906, 514340, 540057, 617208, 720076, 771510, 900095, 925812, 1028680, 1080114, 1157265, 1440152, 1543020, 1620171, 1800190, 1851624, 2160228, 2314530, 2700285, 3086040, 3240342, 3600380, 4320456, 4629060, 5400570, 6480684, 7200760, 8100855, 9258120, 10801140, 12961368, 16201710, 21602280, 32403420, 64806840]

約数ペア:

[(1, 64806840), (2, 32403420), (3, 21602280), (4, 16201710), (5, 12961368), (6, 10801140), (7, 9258120), (8, 8100855), (9, 7200760), (10, 6480684), (12, 5400570), (14, 4629060), (15, 4320456), (18, 3600380), (20, 3240342), (21, 3086040), (24, 2700285), (28, 2314530), (30, 2160228), (35, 1851624), (36, 1800190), (40, 1620171), (42, 1543020), (45, 1440152), (56, 1157265), (60, 1080114), (63, 1028680), (70, 925812), (72, 900095), (84, 771510), (90, 720076), (105, 617208), (120, 540057), (126, 514340), (140, 462906), (168, 385755), (180, 360038), (210, 308604), (252, 257170), (280, 231453), (315, 205736), (360, 180019), (420, 154302), (504, 128585), (630, 102868), (840, 77151), (1260, 51434), (2520, 25717)]