220282020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2213}}^1$

素因数の和:2314

約数の個数: 144

約数和(自身を含む): 773660160

約数和(自身を除く): 553378140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 630, 711, 790, 948, 1106, 1185, 1260, 1422, 1580, 1659, 2212, 2213, 2370, 2765, 2844, 3318, 3555, 4426, 4740, 4977, 5530, 6636, 6639, 7110, 8295, 8852, 9954, 11060, 11065, 13278, 14220, 15491, 16590, 19908, 19917, 22130, 24885, 26556, 30982, 33180, 33195, 39834, 44260, 46473, 49770, 61964, 66390, 77455, 79668, 92946, 99540, 99585, 132780, 139419, 154910, 174827, 185892, 199170, 232365, 278838, 309820, 349654, 398340, 464730, 524481, 557676, 697095, 699308, 874135, 929460, 1048962, 1223789, 1394190, 1573443, 1748270, 2097924, 2447578, 2622405, 2788380, 3146886, 3496540, 3671367, 4895156, 5244810, 6118945, 6293772, 7342734, 7867215, 10489620, 11014101, 12237890, 14685468, 15734430, 18356835, 22028202, 24475780, 31468860, 36713670, 44056404, 55070505, 73427340, 110141010, 220282020]

約数ペア:

[(1, 220282020), (2, 110141010), (3, 73427340), (4, 55070505), (5, 44056404), (6, 36713670), (7, 31468860), (9, 24475780), (10, 22028202), (12, 18356835), (14, 15734430), (15, 14685468), (18, 12237890), (20, 11014101), (21, 10489620), (28, 7867215), (30, 7342734), (35, 6293772), (36, 6118945), (42, 5244810), (45, 4895156), (60, 3671367), (63, 3496540), (70, 3146886), (79, 2788380), (84, 2622405), (90, 2447578), (105, 2097924), (126, 1748270), (140, 1573443), (158, 1394190), (180, 1223789), (210, 1048962), (237, 929460), (252, 874135), (315, 699308), (316, 697095), (395, 557676), (420, 524481), (474, 464730), (553, 398340), (630, 349654), (711, 309820), (790, 278838), (948, 232365), (1106, 199170), (1185, 185892), (1260, 174827), (1422, 154910), (1580, 139419), (1659, 132780), (2212, 99585), (2213, 99540), (2370, 92946), (2765, 79668), (2844, 77455), (3318, 66390), (3555, 61964), (4426, 49770), (4740, 46473), (4977, 44260), (5530, 39834), (6636, 33195), (6639, 33180), (7110, 30982), (8295, 26556), (8852, 24885), (9954, 22130), (11060, 19917), (11065, 19908), (13278, 16590), (14220, 15491)]