17720920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3331}}^1$

素因数の和:3368

約数の個数: 64

約数和(自身を含む): 47980800

約数和(自身を除く): 30259880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 3331, 5320, 6662, 13324, 16655, 23317, 26648, 33310, 46634, 63289, 66620, 93268, 116585, 126578, 133240, 186536, 233170, 253156, 316445, 443023, 466340, 506312, 632890, 886046, 932680, 1265780, 1772092, 2215115, 2531560, 3544184, 4430230, 8860460, 17720920]

約数ペア:

[(1, 17720920), (2, 8860460), (4, 4430230), (5, 3544184), (7, 2531560), (8, 2215115), (10, 1772092), (14, 1265780), (19, 932680), (20, 886046), (28, 632890), (35, 506312), (38, 466340), (40, 443023), (56, 316445), (70, 253156), (76, 233170), (95, 186536), (133, 133240), (140, 126578), (152, 116585), (190, 93268), (266, 66620), (280, 63289), (380, 46634), (532, 33310), (665, 26648), (760, 23317), (1064, 16655), (1330, 13324), (2660, 6662), (3331, 5320)]