20160922845

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{3371}}^1$

素因数の和:3575

約数の個数: 96

約数和(自身を含む): 38379294720

約数和(自身を除く): 18218371875

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 79, 103, 105, 147, 237, 245, 309, 395, 515, 553, 721, 735, 1185, 1545, 1659, 2163, 2765, 3371, 3605, 3871, 5047, 8137, 8295, 10113, 10815, 11613, 15141, 16855, 19355, 23597, 24411, 25235, 40685, 50565, 56959, 58065, 70791, 75705, 117985, 122055, 165179, 170877, 266309, 284795, 347213, 353955, 398713, 495537, 798927, 825895, 854385, 1041639, 1196139, 1331545, 1736065, 1864163, 1993565, 2430491, 2477685, 3994635, 5208195, 5592489, 5980695, 7291473, 9320815, 12152455, 13049141, 17013437, 27429827, 27962445, 36457365, 39147423, 51040311, 65245705, 82289481, 85067185, 137149135, 192008789, 195737115, 255201555, 411447405, 576026367, 960043945, 1344061523, 2880131835, 4032184569, 6720307615, 20160922845]

約数ペア:

[(1, 20160922845), (3, 6720307615), (5, 4032184569), (7, 2880131835), (15, 1344061523), (21, 960043945), (35, 576026367), (49, 411447405), (79, 255201555), (103, 195737115), (105, 192008789), (147, 137149135), (237, 85067185), (245, 82289481), (309, 65245705), (395, 51040311), (515, 39147423), (553, 36457365), (721, 27962445), (735, 27429827), (1185, 17013437), (1545, 13049141), (1659, 12152455), (2163, 9320815), (2765, 7291473), (3371, 5980695), (3605, 5592489), (3871, 5208195), (5047, 3994635), (8137, 2477685), (8295, 2430491), (10113, 1993565), (10815, 1864163), (11613, 1736065), (15141, 1331545), (16855, 1196139), (19355, 1041639), (23597, 854385), (24411, 825895), (25235, 798927), (40685, 495537), (50565, 398713), (56959, 353955), (58065, 347213), (70791, 284795), (75705, 266309), (117985, 170877), (122055, 165179)]