258829040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1123}}^1$

素因数の和:1246

約数の個数: 80

約数和(自身を含む): 625519488

約数和(自身を除く): 366690448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 67, 80, 86, 134, 172, 215, 268, 335, 344, 430, 536, 670, 688, 860, 1072, 1123, 1340, 1720, 2246, 2680, 2881, 3440, 4492, 5360, 5615, 5762, 8984, 11230, 11524, 14405, 17968, 22460, 23048, 28810, 44920, 46096, 48289, 57620, 75241, 89840, 96578, 115240, 150482, 193156, 230480, 241445, 300964, 376205, 386312, 482890, 601928, 752410, 772624, 965780, 1203856, 1504820, 1931560, 3009640, 3235363, 3863120, 6019280, 6470726, 12941452, 16176815, 25882904, 32353630, 51765808, 64707260, 129414520, 258829040]

約数ペア:

[(1, 258829040), (2, 129414520), (4, 64707260), (5, 51765808), (8, 32353630), (10, 25882904), (16, 16176815), (20, 12941452), (40, 6470726), (43, 6019280), (67, 3863120), (80, 3235363), (86, 3009640), (134, 1931560), (172, 1504820), (215, 1203856), (268, 965780), (335, 772624), (344, 752410), (430, 601928), (536, 482890), (670, 386312), (688, 376205), (860, 300964), (1072, 241445), (1123, 230480), (1340, 193156), (1720, 150482), (2246, 115240), (2680, 96578), (2881, 89840), (3440, 75241), (4492, 57620), (5360, 48289), (5615, 46096), (5762, 44920), (8984, 28810), (11230, 23048), (11524, 22460), (14405, 17968)]