74382640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 181059840

約数和(自身を除く): 106677200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 89, 124, 155, 178, 248, 310, 337, 356, 445, 496, 620, 674, 712, 890, 1240, 1348, 1424, 1685, 1780, 2480, 2696, 2759, 3370, 3560, 5392, 5518, 6740, 7120, 10447, 11036, 13480, 13795, 20894, 22072, 26960, 27590, 29993, 41788, 44144, 52235, 55180, 59986, 83576, 104470, 110360, 119972, 149965, 167152, 208940, 220720, 239944, 299930, 417880, 479888, 599860, 835760, 929783, 1199720, 1859566, 2399440, 3719132, 4648915, 7438264, 9297830, 14876528, 18595660, 37191320, 74382640]

約数ペア:

[(1, 74382640), (2, 37191320), (4, 18595660), (5, 14876528), (8, 9297830), (10, 7438264), (16, 4648915), (20, 3719132), (31, 2399440), (40, 1859566), (62, 1199720), (80, 929783), (89, 835760), (124, 599860), (155, 479888), (178, 417880), (248, 299930), (310, 239944), (337, 220720), (356, 208940), (445, 167152), (496, 149965), (620, 119972), (674, 110360), (712, 104470), (890, 83576), (1240, 59986), (1348, 55180), (1424, 52235), (1685, 44144), (1780, 41788), (2480, 29993), (2696, 27590), (2759, 26960), (3370, 22072), (3560, 20894), (5392, 13795), (5518, 13480), (6740, 11036), (7120, 10447)]