68781020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{757}}^1$

素因数の和:843

約数の個数: 96

約数和(自身を含む): 183375360

約数和(自身を除く): 114594340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 59, 70, 77, 110, 118, 140, 154, 220, 236, 295, 308, 385, 413, 590, 649, 757, 770, 826, 1180, 1298, 1514, 1540, 1652, 2065, 2596, 3028, 3245, 3785, 4130, 4543, 5299, 6490, 7570, 8260, 8327, 9086, 10598, 12980, 15140, 16654, 18172, 21196, 22715, 26495, 33308, 41635, 44663, 45430, 52990, 58289, 83270, 89326, 90860, 105980, 116578, 166540, 178652, 223315, 233156, 291445, 312641, 446630, 491293, 582890, 625282, 893260, 982586, 1165780, 1250564, 1563205, 1965172, 2456465, 3126410, 3439051, 4912930, 6252820, 6878102, 9825860, 13756204, 17195255, 34390510, 68781020]

約数ペア:

[(1, 68781020), (2, 34390510), (4, 17195255), (5, 13756204), (7, 9825860), (10, 6878102), (11, 6252820), (14, 4912930), (20, 3439051), (22, 3126410), (28, 2456465), (35, 1965172), (44, 1563205), (55, 1250564), (59, 1165780), (70, 982586), (77, 893260), (110, 625282), (118, 582890), (140, 491293), (154, 446630), (220, 312641), (236, 291445), (295, 233156), (308, 223315), (385, 178652), (413, 166540), (590, 116578), (649, 105980), (757, 90860), (770, 89326), (826, 83270), (1180, 58289), (1298, 52990), (1514, 45430), (1540, 44663), (1652, 41635), (2065, 33308), (2596, 26495), (3028, 22715), (3245, 21196), (3785, 18172), (4130, 16654), (4543, 15140), (5299, 12980), (6490, 10598), (7570, 9086), (8260, 8327)]