2971983040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1979}}^1$

素因数の和:2047

約数の個数: 168

約数和(自身を含む): 8047725840

約数和(自身を除く): 5075742800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 361, 380, 416, 494, 520, 608, 722, 760, 832, 988, 1040, 1216, 1235, 1444, 1520, 1805, 1976, 1979, 2080, 2470, 2888, 3040, 3610, 3952, 3958, 4160, 4693, 4940, 5776, 6080, 7220, 7904, 7916, 9386, 9880, 9895, 11552, 14440, 15808, 15832, 18772, 19760, 19790, 23104, 23465, 25727, 28880, 31664, 37544, 37601, 39520, 39580, 46930, 51454, 57760, 63328, 75088, 75202, 79040, 79160, 93860, 102908, 115520, 126656, 128635, 150176, 150404, 158320, 187720, 188005, 205816, 257270, 300352, 300808, 316640, 375440, 376010, 411632, 488813, 514540, 601616, 633280, 714419, 750880, 752020, 823264, 977626, 1029080, 1203232, 1428838, 1501760, 1504040, 1646528, 1955252, 2058160, 2406464, 2444065, 2857676, 3008080, 3572095, 3910504, 4116320, 4888130, 5715352, 6016160, 7144190, 7821008, 8232640, 9287447, 9776260, 11430704, 12032320, 14288380, 15642016, 18574894, 19552520, 22861408, 28576760, 31284032, 37149788, 39105040, 45722816, 46437235, 57153520, 74299576, 78210080, 92874470, 114307040, 148599152, 156420160, 185748940, 228614080, 297198304, 371497880, 594396608, 742995760, 1485991520, 2971983040]

約数ペア:

[(1, 2971983040), (2, 1485991520), (4, 742995760), (5, 594396608), (8, 371497880), (10, 297198304), (13, 228614080), (16, 185748940), (19, 156420160), (20, 148599152), (26, 114307040), (32, 92874470), (38, 78210080), (40, 74299576), (52, 57153520), (64, 46437235), (65, 45722816), (76, 39105040), (80, 37149788), (95, 31284032), (104, 28576760), (130, 22861408), (152, 19552520), (160, 18574894), (190, 15642016), (208, 14288380), (247, 12032320), (260, 11430704), (304, 9776260), (320, 9287447), (361, 8232640), (380, 7821008), (416, 7144190), (494, 6016160), (520, 5715352), (608, 4888130), (722, 4116320), (760, 3910504), (832, 3572095), (988, 3008080), (1040, 2857676), (1216, 2444065), (1235, 2406464), (1444, 2058160), (1520, 1955252), (1805, 1646528), (1976, 1504040), (1979, 1501760), (2080, 1428838), (2470, 1203232), (2888, 1029080), (3040, 977626), (3610, 823264), (3952, 752020), (3958, 750880), (4160, 714419), (4693, 633280), (4940, 601616), (5776, 514540), (6080, 488813), (7220, 411632), (7904, 376010), (7916, 375440), (9386, 316640), (9880, 300808), (9895, 300352), (11552, 257270), (14440, 205816), (15808, 188005), (15832, 187720), (18772, 158320), (19760, 150404), (19790, 150176), (23104, 128635), (23465, 126656), (25727, 115520), (28880, 102908), (31664, 93860), (37544, 79160), (37601, 79040), (39520, 75202), (39580, 75088), (46930, 63328), (51454, 57760)]