81811730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{743}}^1$

素因数の和:792

約数の個数: 96

約数和(自身を含む): 199487232

約数和(自身を除く): 117675502

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 121, 130, 143, 154, 182, 242, 286, 385, 455, 605, 715, 743, 770, 847, 910, 1001, 1210, 1430, 1486, 1573, 1694, 2002, 3146, 3715, 4235, 5005, 5201, 7430, 7865, 8173, 8470, 9659, 10010, 10402, 11011, 15730, 16346, 19318, 22022, 26005, 40865, 48295, 52010, 55055, 57211, 67613, 81730, 89903, 96590, 106249, 110110, 114422, 135226, 179806, 212498, 286055, 338065, 449515, 531245, 572110, 629321, 676130, 743743, 899030, 1062490, 1168739, 1258642, 1487486, 2337478, 3146605, 3718715, 5843695, 6293210, 7437430, 8181173, 11687390, 16362346, 40905865, 81811730]

約数ペア:

[(1, 81811730), (2, 40905865), (5, 16362346), (7, 11687390), (10, 8181173), (11, 7437430), (13, 6293210), (14, 5843695), (22, 3718715), (26, 3146605), (35, 2337478), (55, 1487486), (65, 1258642), (70, 1168739), (77, 1062490), (91, 899030), (110, 743743), (121, 676130), (130, 629321), (143, 572110), (154, 531245), (182, 449515), (242, 338065), (286, 286055), (385, 212498), (455, 179806), (605, 135226), (715, 114422), (743, 110110), (770, 106249), (847, 96590), (910, 89903), (1001, 81730), (1210, 67613), (1430, 57211), (1486, 55055), (1573, 52010), (1694, 48295), (2002, 40865), (3146, 26005), (3715, 22022), (4235, 19318), (5005, 16346), (5201, 15730), (7430, 11011), (7865, 10402), (8173, 10010), (8470, 9659)]