51240540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{367}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 155796480

約数和(自身を除く): 104555940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 179, 195, 260, 358, 367, 390, 537, 716, 734, 780, 895, 1074, 1101, 1468, 1790, 1835, 2148, 2202, 2327, 2685, 3580, 3670, 4404, 4654, 4771, 5370, 5505, 6981, 7340, 9308, 9542, 10740, 11010, 11635, 13962, 14313, 19084, 22020, 23270, 23855, 27924, 28626, 34905, 46540, 47710, 57252, 65693, 69810, 71565, 95420, 131386, 139620, 143130, 197079, 262772, 286260, 328465, 394158, 656930, 788316, 854009, 985395, 1313860, 1708018, 1970790, 2562027, 3416036, 3941580, 4270045, 5124054, 8540090, 10248108, 12810135, 17080180, 25620270, 51240540]

約数ペア:

[(1, 51240540), (2, 25620270), (3, 17080180), (4, 12810135), (5, 10248108), (6, 8540090), (10, 5124054), (12, 4270045), (13, 3941580), (15, 3416036), (20, 2562027), (26, 1970790), (30, 1708018), (39, 1313860), (52, 985395), (60, 854009), (65, 788316), (78, 656930), (130, 394158), (156, 328465), (179, 286260), (195, 262772), (260, 197079), (358, 143130), (367, 139620), (390, 131386), (537, 95420), (716, 71565), (734, 69810), (780, 65693), (895, 57252), (1074, 47710), (1101, 46540), (1468, 34905), (1790, 28626), (1835, 27924), (2148, 23855), (2202, 23270), (2327, 22020), (2685, 19084), (3580, 14313), (3670, 13962), (4404, 11635), (4654, 11010), (4771, 10740), (5370, 9542), (5505, 9308), (6981, 7340)]