18493901040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{251003}}^1$

素因数の和:251326

約数の個数: 80

約数和(自身を含む): 57518068608

約数和(自身を除く): 39024167568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 307, 614, 921, 1228, 1535, 1842, 2456, 3070, 3684, 4605, 4912, 6140, 7368, 9210, 12280, 14736, 18420, 24560, 36840, 73680, 251003, 502006, 753009, 1004012, 1255015, 1506018, 2008024, 2510030, 3012036, 3765045, 4016048, 5020060, 6024072, 7530090, 10040120, 12048144, 15060180, 20080240, 30120360, 60240720, 77057921, 154115842, 231173763, 308231684, 385289605, 462347526, 616463368, 770579210, 924695052, 1155868815, 1232926736, 1541158420, 1849390104, 2311737630, 3082316840, 3698780208, 4623475260, 6164633680, 9246950520, 18493901040]

約数ペア:

[(1, 18493901040), (2, 9246950520), (3, 6164633680), (4, 4623475260), (5, 3698780208), (6, 3082316840), (8, 2311737630), (10, 1849390104), (12, 1541158420), (15, 1232926736), (16, 1155868815), (20, 924695052), (24, 770579210), (30, 616463368), (40, 462347526), (48, 385289605), (60, 308231684), (80, 231173763), (120, 154115842), (240, 77057921), (307, 60240720), (614, 30120360), (921, 20080240), (1228, 15060180), (1535, 12048144), (1842, 10040120), (2456, 7530090), (3070, 6024072), (3684, 5020060), (4605, 4016048), (4912, 3765045), (6140, 3012036), (7368, 2510030), (9210, 2008024), (12280, 1506018), (14736, 1255015), (18420, 1004012), (24560, 753009), (36840, 502006), (73680, 251003)]