201740720

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 480504960

約数和(自身を除く): 278764240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 137, 158, 233, 274, 316, 395, 466, 548, 632, 685, 790, 932, 1096, 1165, 1264, 1370, 1580, 1864, 2192, 2330, 2740, 3160, 3728, 4660, 5480, 6320, 9320, 10823, 10960, 18407, 18640, 21646, 31921, 36814, 43292, 54115, 63842, 73628, 86584, 92035, 108230, 127684, 147256, 159605, 173168, 184070, 216460, 255368, 294512, 319210, 368140, 432920, 510736, 638420, 736280, 865840, 1276840, 1472560, 2521759, 2553680, 5043518, 10087036, 12608795, 20174072, 25217590, 40348144, 50435180, 100870360, 201740720]

約数ペア:

[(1, 201740720), (2, 100870360), (4, 50435180), (5, 40348144), (8, 25217590), (10, 20174072), (16, 12608795), (20, 10087036), (40, 5043518), (79, 2553680), (80, 2521759), (137, 1472560), (158, 1276840), (233, 865840), (274, 736280), (316, 638420), (395, 510736), (466, 432920), (548, 368140), (632, 319210), (685, 294512), (790, 255368), (932, 216460), (1096, 184070), (1165, 173168), (1264, 159605), (1370, 147256), (1580, 127684), (1864, 108230), (2192, 92035), (2330, 86584), (2740, 73628), (3160, 63842), (3728, 54115), (4660, 43292), (5480, 36814), (6320, 31921), (9320, 21646), (10823, 18640), (10960, 18407)]