279852180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{367}}^1$

素因数の和:629

約数の個数: 96

約数和(自身を含む): 801239040

約数和(自身を除く): 521386860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 179, 213, 284, 355, 358, 367, 426, 537, 710, 716, 734, 852, 895, 1065, 1074, 1101, 1420, 1468, 1790, 1835, 2130, 2148, 2202, 2685, 3580, 3670, 4260, 4404, 5370, 5505, 7340, 10740, 11010, 12709, 22020, 25418, 26057, 38127, 50836, 52114, 63545, 65693, 76254, 78171, 104228, 127090, 130285, 131386, 152508, 156342, 190635, 197079, 254180, 260570, 262772, 312684, 328465, 381270, 390855, 394158, 521140, 656930, 762540, 781710, 788316, 985395, 1313860, 1563420, 1970790, 3941580, 4664203, 9328406, 13992609, 18656812, 23321015, 27985218, 46642030, 55970436, 69963045, 93284060, 139926090, 279852180]

約数ペア:

[(1, 279852180), (2, 139926090), (3, 93284060), (4, 69963045), (5, 55970436), (6, 46642030), (10, 27985218), (12, 23321015), (15, 18656812), (20, 13992609), (30, 9328406), (60, 4664203), (71, 3941580), (142, 1970790), (179, 1563420), (213, 1313860), (284, 985395), (355, 788316), (358, 781710), (367, 762540), (426, 656930), (537, 521140), (710, 394158), (716, 390855), (734, 381270), (852, 328465), (895, 312684), (1065, 262772), (1074, 260570), (1101, 254180), (1420, 197079), (1468, 190635), (1790, 156342), (1835, 152508), (2130, 131386), (2148, 130285), (2202, 127090), (2685, 104228), (3580, 78171), (3670, 76254), (4260, 65693), (4404, 63545), (5370, 52114), (5505, 50836), (7340, 38127), (10740, 26057), (11010, 25418), (12709, 22020)]