1280317360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73751}}^1$

素因数の和:73802

約数の個数: 80

約数和(自身を含む): 3511775232

約数和(自身を除く): 2231457872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 73751, 147502, 295004, 368755, 516257, 590008, 737510, 1032514, 1180016, 1475020, 2065028, 2286281, 2581285, 2950040, 4130056, 4572562, 5162570, 5900080, 8260112, 9145124, 10325140, 11431405, 16003967, 18290248, 20650280, 22862810, 32007934, 36580496, 41300560, 45725620, 64015868, 80019835, 91451240, 128031736, 160039670, 182902480, 256063472, 320079340, 640158680, 1280317360]

約数ペア:

[(1, 1280317360), (2, 640158680), (4, 320079340), (5, 256063472), (7, 182902480), (8, 160039670), (10, 128031736), (14, 91451240), (16, 80019835), (20, 64015868), (28, 45725620), (31, 41300560), (35, 36580496), (40, 32007934), (56, 22862810), (62, 20650280), (70, 18290248), (80, 16003967), (112, 11431405), (124, 10325140), (140, 9145124), (155, 8260112), (217, 5900080), (248, 5162570), (280, 4572562), (310, 4130056), (434, 2950040), (496, 2581285), (560, 2286281), (620, 2065028), (868, 1475020), (1085, 1180016), (1240, 1032514), (1736, 737510), (2170, 590008), (2480, 516257), (3472, 368755), (4340, 295004), (8680, 147502), (17360, 73751)]