68421280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 173093760

約数和(自身を除く): 104672480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 71, 76, 80, 95, 142, 152, 160, 190, 284, 304, 317, 355, 380, 568, 608, 634, 710, 760, 1136, 1268, 1349, 1420, 1520, 1585, 2272, 2536, 2698, 2840, 3040, 3170, 5072, 5396, 5680, 6023, 6340, 6745, 10144, 10792, 11360, 12046, 12680, 13490, 21584, 22507, 24092, 25360, 26980, 30115, 43168, 45014, 48184, 50720, 53960, 60230, 90028, 96368, 107920, 112535, 120460, 180056, 192736, 215840, 225070, 240920, 360112, 427633, 450140, 481840, 720224, 855266, 900280, 963680, 1710532, 1800560, 2138165, 3421064, 3601120, 4276330, 6842128, 8552660, 13684256, 17105320, 34210640, 68421280]

約数ペア:

[(1, 68421280), (2, 34210640), (4, 17105320), (5, 13684256), (8, 8552660), (10, 6842128), (16, 4276330), (19, 3601120), (20, 3421064), (32, 2138165), (38, 1800560), (40, 1710532), (71, 963680), (76, 900280), (80, 855266), (95, 720224), (142, 481840), (152, 450140), (160, 427633), (190, 360112), (284, 240920), (304, 225070), (317, 215840), (355, 192736), (380, 180056), (568, 120460), (608, 112535), (634, 107920), (710, 96368), (760, 90028), (1136, 60230), (1268, 53960), (1349, 50720), (1420, 48184), (1520, 45014), (1585, 43168), (2272, 30115), (2536, 26980), (2698, 25360), (2840, 24092), (3040, 22507), (3170, 21584), (5072, 13490), (5396, 12680), (5680, 12046), (6023, 11360), (6340, 10792), (6745, 10144)]