2001840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 6547200

約数和(自身を除く): 4545360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 439, 456, 570, 760, 878, 912, 1140, 1317, 1520, 1756, 2195, 2280, 2634, 3512, 4390, 4560, 5268, 6585, 7024, 8341, 8780, 10536, 13170, 16682, 17560, 21072, 25023, 26340, 33364, 35120, 41705, 50046, 52680, 66728, 83410, 100092, 105360, 125115, 133456, 166820, 200184, 250230, 333640, 400368, 500460, 667280, 1000920, 2001840]

約数ペア:

[(1, 2001840), (2, 1000920), (3, 667280), (4, 500460), (5, 400368), (6, 333640), (8, 250230), (10, 200184), (12, 166820), (15, 133456), (16, 125115), (19, 105360), (20, 100092), (24, 83410), (30, 66728), (38, 52680), (40, 50046), (48, 41705), (57, 35120), (60, 33364), (76, 26340), (80, 25023), (95, 21072), (114, 17560), (120, 16682), (152, 13170), (190, 10536), (228, 8780), (240, 8341), (285, 7024), (304, 6585), (380, 5268), (439, 4560), (456, 4390), (570, 3512), (760, 2634), (878, 2280), (912, 2195), (1140, 1756), (1317, 1520)]