64487680

素因数分解:

$2^8\times 5^1\times {\mathrm{83}}^1\times {\mathrm{607}}^1$

素因数の和:711

約数の個数: 72

約数和(自身を含む): 156586752

約数和(自身を除く): 92099072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 415, 607, 640, 664, 830, 1214, 1280, 1328, 1660, 2428, 2656, 3035, 3320, 4856, 5312, 6070, 6640, 9712, 10624, 12140, 13280, 19424, 21248, 24280, 26560, 38848, 48560, 50381, 53120, 77696, 97120, 100762, 106240, 155392, 194240, 201524, 251905, 388480, 403048, 503810, 776960, 806096, 1007620, 1612192, 2015240, 3224384, 4030480, 6448768, 8060960, 12897536, 16121920, 32243840, 64487680]

約数ペア:

[(1, 64487680), (2, 32243840), (4, 16121920), (5, 12897536), (8, 8060960), (10, 6448768), (16, 4030480), (20, 3224384), (32, 2015240), (40, 1612192), (64, 1007620), (80, 806096), (83, 776960), (128, 503810), (160, 403048), (166, 388480), (256, 251905), (320, 201524), (332, 194240), (415, 155392), (607, 106240), (640, 100762), (664, 97120), (830, 77696), (1214, 53120), (1280, 50381), (1328, 48560), (1660, 38848), (2428, 26560), (2656, 24280), (3035, 21248), (3320, 19424), (4856, 13280), (5312, 12140), (6070, 10624), (6640, 9712)]