65140880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1307}}^1$

素因数の和:1416

約数の個数: 80

約数和(自身を含む): 175167360

約数和(自身を除く): 110026480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1307, 1424, 1780, 2492, 2614, 3115, 3560, 4984, 5228, 6230, 6535, 7120, 9149, 9968, 10456, 12460, 13070, 18298, 20912, 24920, 26140, 36596, 45745, 49840, 52280, 73192, 91490, 104560, 116323, 146384, 182980, 232646, 365960, 465292, 581615, 731920, 814261, 930584, 1163230, 1628522, 1861168, 2326460, 3257044, 4071305, 4652920, 6514088, 8142610, 9305840, 13028176, 16285220, 32570440, 65140880]

約数ペア:

[(1, 65140880), (2, 32570440), (4, 16285220), (5, 13028176), (7, 9305840), (8, 8142610), (10, 6514088), (14, 4652920), (16, 4071305), (20, 3257044), (28, 2326460), (35, 1861168), (40, 1628522), (56, 1163230), (70, 930584), (80, 814261), (89, 731920), (112, 581615), (140, 465292), (178, 365960), (280, 232646), (356, 182980), (445, 146384), (560, 116323), (623, 104560), (712, 91490), (890, 73192), (1246, 52280), (1307, 49840), (1424, 45745), (1780, 36596), (2492, 26140), (2614, 24920), (3115, 20912), (3560, 18298), (4984, 13070), (5228, 12460), (6230, 10456), (6535, 9968), (7120, 9149)]