1319853840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{6781}}^1$

素因数の和:7608

約数の個数: 80

約数和(自身を含む): 4097196096

約数和(自身を除く): 2777342256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 811, 1622, 2433, 3244, 4055, 4866, 6488, 6781, 8110, 9732, 12165, 12976, 13562, 16220, 19464, 20343, 24330, 27124, 32440, 33905, 38928, 40686, 48660, 54248, 64880, 67810, 81372, 97320, 101715, 108496, 135620, 162744, 194640, 203430, 271240, 325488, 406860, 542480, 813720, 1627440, 5499391, 10998782, 16498173, 21997564, 27496955, 32996346, 43995128, 54993910, 65992692, 82490865, 87990256, 109987820, 131985384, 164981730, 219975640, 263970768, 329963460, 439951280, 659926920, 1319853840]

約数ペア:

[(1, 1319853840), (2, 659926920), (3, 439951280), (4, 329963460), (5, 263970768), (6, 219975640), (8, 164981730), (10, 131985384), (12, 109987820), (15, 87990256), (16, 82490865), (20, 65992692), (24, 54993910), (30, 43995128), (40, 32996346), (48, 27496955), (60, 21997564), (80, 16498173), (120, 10998782), (240, 5499391), (811, 1627440), (1622, 813720), (2433, 542480), (3244, 406860), (4055, 325488), (4866, 271240), (6488, 203430), (6781, 194640), (8110, 162744), (9732, 135620), (12165, 108496), (12976, 101715), (13562, 97320), (16220, 81372), (19464, 67810), (20343, 64880), (24330, 54248), (27124, 48660), (32440, 40686), (33905, 38928)]