18913705120

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{12421}}^1$

素因数の和:12774

約数の個数: 96

約数和(自身を含む): 46279005696

約数和(自身を除く): 27365300576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 307, 310, 496, 614, 620, 992, 1228, 1240, 1535, 2456, 2480, 3070, 4912, 4960, 6140, 9517, 9824, 12280, 12421, 19034, 24560, 24842, 38068, 47585, 49120, 49684, 62105, 76136, 95170, 99368, 124210, 152272, 190340, 198736, 248420, 304544, 380680, 385051, 397472, 496840, 761360, 770102, 993680, 1522720, 1540204, 1925255, 1987360, 3080408, 3813247, 3850510, 6160816, 7626494, 7701020, 12321632, 15252988, 15402040, 19066235, 30505976, 30804080, 38132470, 61011952, 61608160, 76264940, 118210657, 122023904, 152529880, 236421314, 305059760, 472842628, 591053285, 610119520, 945685256, 1182106570, 1891370512, 2364213140, 3782741024, 4728426280, 9456852560, 18913705120]

約数ペア:

[(1, 18913705120), (2, 9456852560), (4, 4728426280), (5, 3782741024), (8, 2364213140), (10, 1891370512), (16, 1182106570), (20, 945685256), (31, 610119520), (32, 591053285), (40, 472842628), (62, 305059760), (80, 236421314), (124, 152529880), (155, 122023904), (160, 118210657), (248, 76264940), (307, 61608160), (310, 61011952), (496, 38132470), (614, 30804080), (620, 30505976), (992, 19066235), (1228, 15402040), (1240, 15252988), (1535, 12321632), (2456, 7701020), (2480, 7626494), (3070, 6160816), (4912, 3850510), (4960, 3813247), (6140, 3080408), (9517, 1987360), (9824, 1925255), (12280, 1540204), (12421, 1522720), (19034, 993680), (24560, 770102), (24842, 761360), (38068, 496840), (47585, 397472), (49120, 385051), (49684, 380680), (62105, 304544), (76136, 248420), (95170, 198736), (99368, 190340), (124210, 152272)]