63840280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 172730880

約数和(自身を除く): 108890600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 67, 70, 82, 83, 134, 140, 164, 166, 205, 268, 280, 287, 328, 332, 335, 410, 415, 469, 536, 574, 581, 664, 670, 820, 830, 938, 1148, 1162, 1340, 1435, 1640, 1660, 1876, 2296, 2324, 2345, 2680, 2747, 2870, 2905, 3320, 3403, 3752, 4648, 4690, 5494, 5561, 5740, 5810, 6806, 9380, 10988, 11122, 11480, 11620, 13612, 13735, 17015, 18760, 19229, 21976, 22244, 23240, 23821, 27224, 27470, 27805, 34030, 38458, 38927, 44488, 47642, 54940, 55610, 68060, 76916, 77854, 95284, 96145, 109880, 111220, 119105, 136120, 153832, 155708, 190568, 192290, 194635, 222440, 228001, 238210, 311416, 384580, 389270, 456002, 476420, 769160, 778540, 912004, 952840, 1140005, 1557080, 1596007, 1824008, 2280010, 3192014, 4560020, 6384028, 7980035, 9120040, 12768056, 15960070, 31920140, 63840280]

約数ペア:

[(1, 63840280), (2, 31920140), (4, 15960070), (5, 12768056), (7, 9120040), (8, 7980035), (10, 6384028), (14, 4560020), (20, 3192014), (28, 2280010), (35, 1824008), (40, 1596007), (41, 1557080), (56, 1140005), (67, 952840), (70, 912004), (82, 778540), (83, 769160), (134, 476420), (140, 456002), (164, 389270), (166, 384580), (205, 311416), (268, 238210), (280, 228001), (287, 222440), (328, 194635), (332, 192290), (335, 190568), (410, 155708), (415, 153832), (469, 136120), (536, 119105), (574, 111220), (581, 109880), (664, 96145), (670, 95284), (820, 77854), (830, 76916), (938, 68060), (1148, 55610), (1162, 54940), (1340, 47642), (1435, 44488), (1640, 38927), (1660, 38458), (1876, 34030), (2296, 27805), (2324, 27470), (2345, 27224), (2680, 23821), (2747, 23240), (2870, 22244), (2905, 21976), (3320, 19229), (3403, 18760), (3752, 17015), (4648, 13735), (4690, 13612), (5494, 11620), (5561, 11480), (5740, 11122), (5810, 10988), (6806, 9380)]