1021499920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79309}}^1$

素因数の和:79352

約数の個数: 80

約数和(自身を含む): 2832318720

約数和(自身を除く): 1810818800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 79309, 158618, 317236, 396545, 555163, 634472, 793090, 1110326, 1268944, 1586180, 1824107, 2220652, 2775815, 3172360, 3648214, 4441304, 5551630, 6344720, 7296428, 8882608, 9120535, 11103260, 12768749, 14592856, 18241070, 22206520, 25537498, 29185712, 36482140, 44413040, 51074996, 63843745, 72964280, 102149992, 127687490, 145928560, 204299984, 255374980, 510749960, 1021499920]

約数ペア:

[(1, 1021499920), (2, 510749960), (4, 255374980), (5, 204299984), (7, 145928560), (8, 127687490), (10, 102149992), (14, 72964280), (16, 63843745), (20, 51074996), (23, 44413040), (28, 36482140), (35, 29185712), (40, 25537498), (46, 22206520), (56, 18241070), (70, 14592856), (80, 12768749), (92, 11103260), (112, 9120535), (115, 8882608), (140, 7296428), (161, 6344720), (184, 5551630), (230, 4441304), (280, 3648214), (322, 3172360), (368, 2775815), (460, 2220652), (560, 1824107), (644, 1586180), (805, 1268944), (920, 1110326), (1288, 793090), (1610, 634472), (1840, 555163), (2576, 396545), (3220, 317236), (6440, 158618), (12880, 79309)]