1608821520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{394319}}^1$

素因数の和:394352

約数の個数: 80

約数和(自身を含む): 5280733440

約数和(自身を除く): 3671911920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 394319, 788638, 1182957, 1577276, 1971595, 2365914, 3154552, 3943190, 4731828, 5914785, 6309104, 6703423, 7886380, 9463656, 11829570, 13406846, 15772760, 18927312, 20110269, 23659140, 26813692, 31545520, 33517115, 40220538, 47318280, 53627384, 67034230, 80441076, 94636560, 100551345, 107254768, 134068460, 160882152, 201102690, 268136920, 321764304, 402205380, 536273840, 804410760, 1608821520]

約数ペア:

[(1, 1608821520), (2, 804410760), (3, 536273840), (4, 402205380), (5, 321764304), (6, 268136920), (8, 201102690), (10, 160882152), (12, 134068460), (15, 107254768), (16, 100551345), (17, 94636560), (20, 80441076), (24, 67034230), (30, 53627384), (34, 47318280), (40, 40220538), (48, 33517115), (51, 31545520), (60, 26813692), (68, 23659140), (80, 20110269), (85, 18927312), (102, 15772760), (120, 13406846), (136, 11829570), (170, 9463656), (204, 7886380), (240, 6703423), (255, 6309104), (272, 5914785), (340, 4731828), (408, 3943190), (510, 3154552), (680, 2365914), (816, 1971595), (1020, 1577276), (1360, 1182957), (2040, 788638), (4080, 394319)]