74136780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5801}}^1$

素因数の和:5887

約数の個数: 72

約数和(自身を含む): 228088224

約数和(自身を除く): 153951444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 5801, 6390, 11602, 12780, 17403, 23204, 29005, 34806, 52209, 58010, 69612, 87015, 104418, 116020, 174030, 208836, 261045, 348060, 411871, 522090, 823742, 1044180, 1235613, 1647484, 2059355, 2471226, 3706839, 4118710, 4942452, 6178065, 7413678, 8237420, 12356130, 14827356, 18534195, 24712260, 37068390, 74136780]

約数ペア:

[(1, 74136780), (2, 37068390), (3, 24712260), (4, 18534195), (5, 14827356), (6, 12356130), (9, 8237420), (10, 7413678), (12, 6178065), (15, 4942452), (18, 4118710), (20, 3706839), (30, 2471226), (36, 2059355), (45, 1647484), (60, 1235613), (71, 1044180), (90, 823742), (142, 522090), (180, 411871), (213, 348060), (284, 261045), (355, 208836), (426, 174030), (639, 116020), (710, 104418), (852, 87015), (1065, 69612), (1278, 58010), (1420, 52209), (2130, 34806), (2556, 29005), (3195, 23204), (4260, 17403), (5801, 12780), (6390, 11602)]