1279747920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1579}}^1$

素因数の和:1913

約数の個数: 160

約数和(自身を含む): 4344721920

約数和(自身を除く): 3064974000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 307, 330, 440, 528, 614, 660, 880, 921, 1228, 1320, 1535, 1579, 1842, 2456, 2640, 3070, 3158, 3377, 3684, 4605, 4737, 4912, 6140, 6316, 6754, 7368, 7895, 9210, 9474, 10131, 12280, 12632, 13508, 14736, 15790, 16885, 17369, 18420, 18948, 20262, 23685, 24560, 25264, 27016, 31580, 33770, 34738, 36840, 37896, 40524, 47370, 50655, 52107, 54032, 63160, 67540, 69476, 73680, 75792, 81048, 86845, 94740, 101310, 104214, 126320, 135080, 138952, 162096, 173690, 189480, 202620, 208428, 260535, 270160, 277904, 347380, 378960, 405240, 416856, 484753, 521070, 694760, 810480, 833712, 969506, 1042140, 1389520, 1454259, 1939012, 2084280, 2423765, 2908518, 3878024, 4168560, 4847530, 5332283, 5817036, 7271295, 7756048, 9695060, 10664566, 11634072, 14542590, 15996849, 19390120, 21329132, 23268144, 26661415, 29085180, 31993698, 38780240, 42658264, 53322830, 58170360, 63987396, 79984245, 85316528, 106645660, 116340720, 127974792, 159968490, 213291320, 255949584, 319936980, 426582640, 639873960, 1279747920]

約数ペア:

[(1, 1279747920), (2, 639873960), (3, 426582640), (4, 319936980), (5, 255949584), (6, 213291320), (8, 159968490), (10, 127974792), (11, 116340720), (12, 106645660), (15, 85316528), (16, 79984245), (20, 63987396), (22, 58170360), (24, 53322830), (30, 42658264), (33, 38780240), (40, 31993698), (44, 29085180), (48, 26661415), (55, 23268144), (60, 21329132), (66, 19390120), (80, 15996849), (88, 14542590), (110, 11634072), (120, 10664566), (132, 9695060), (165, 7756048), (176, 7271295), (220, 5817036), (240, 5332283), (264, 4847530), (307, 4168560), (330, 3878024), (440, 2908518), (528, 2423765), (614, 2084280), (660, 1939012), (880, 1454259), (921, 1389520), (1228, 1042140), (1320, 969506), (1535, 833712), (1579, 810480), (1842, 694760), (2456, 521070), (2640, 484753), (3070, 416856), (3158, 405240), (3377, 378960), (3684, 347380), (4605, 277904), (4737, 270160), (4912, 260535), (6140, 208428), (6316, 202620), (6754, 189480), (7368, 173690), (7895, 162096), (9210, 138952), (9474, 135080), (10131, 126320), (12280, 104214), (12632, 101310), (13508, 94740), (14736, 86845), (15790, 81048), (16885, 75792), (17369, 73680), (18420, 69476), (18948, 67540), (20262, 63160), (23685, 54032), (24560, 52107), (25264, 50655), (27016, 47370), (31580, 40524), (33770, 37896), (34738, 36840)]