64665540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:423

約数の個数: 120

約数和(自身を含む): 204906240

約数和(自身を除く): 140240700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 179, 180, 223, 270, 324, 358, 405, 446, 537, 540, 669, 716, 810, 892, 895, 1074, 1115, 1338, 1611, 1620, 1790, 2007, 2148, 2230, 2676, 2685, 3222, 3345, 3580, 4014, 4460, 4833, 5370, 6021, 6444, 6690, 8028, 8055, 9666, 10035, 10740, 12042, 13380, 14499, 16110, 18063, 19332, 20070, 24084, 24165, 28998, 30105, 32220, 36126, 39917, 40140, 48330, 57996, 60210, 72252, 72495, 79834, 90315, 96660, 119751, 120420, 144990, 159668, 180630, 199585, 239502, 289980, 359253, 361260, 399170, 479004, 598755, 718506, 798340, 1077759, 1197510, 1437012, 1796265, 2155518, 2395020, 3233277, 3592530, 4311036, 5388795, 6466554, 7185060, 10777590, 12933108, 16166385, 21555180, 32332770, 64665540]

約数ペア:

[(1, 64665540), (2, 32332770), (3, 21555180), (4, 16166385), (5, 12933108), (6, 10777590), (9, 7185060), (10, 6466554), (12, 5388795), (15, 4311036), (18, 3592530), (20, 3233277), (27, 2395020), (30, 2155518), (36, 1796265), (45, 1437012), (54, 1197510), (60, 1077759), (81, 798340), (90, 718506), (108, 598755), (135, 479004), (162, 399170), (179, 361260), (180, 359253), (223, 289980), (270, 239502), (324, 199585), (358, 180630), (405, 159668), (446, 144990), (537, 120420), (540, 119751), (669, 96660), (716, 90315), (810, 79834), (892, 72495), (895, 72252), (1074, 60210), (1115, 57996), (1338, 48330), (1611, 40140), (1620, 39917), (1790, 36126), (2007, 32220), (2148, 30105), (2230, 28998), (2676, 24165), (2685, 24084), (3222, 20070), (3345, 19332), (3580, 18063), (4014, 16110), (4460, 14499), (4833, 13380), (5370, 12042), (6021, 10740), (6444, 10035), (6690, 9666), (8028, 8055)]