81313210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 175815360

約数和(自身を除く): 94502150

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 59, 67, 85, 110, 118, 121, 134, 170, 187, 242, 295, 335, 374, 590, 605, 649, 670, 737, 935, 1003, 1139, 1210, 1298, 1474, 1870, 2006, 2057, 2278, 3245, 3685, 3953, 4114, 5015, 5695, 6490, 7139, 7370, 7906, 8107, 10030, 10285, 11033, 11390, 12529, 14278, 16214, 19765, 20570, 22066, 25058, 35695, 39530, 40535, 43483, 55165, 62645, 67201, 71390, 81070, 86966, 110330, 121363, 125290, 134402, 137819, 217415, 242726, 275638, 336005, 434830, 478313, 606815, 672010, 689095, 739211, 956626, 1213630, 1378190, 1478422, 2391565, 3696055, 4783130, 7392110, 8131321, 16262642, 40656605, 81313210]

約数ペア:

[(1, 81313210), (2, 40656605), (5, 16262642), (10, 8131321), (11, 7392110), (17, 4783130), (22, 3696055), (34, 2391565), (55, 1478422), (59, 1378190), (67, 1213630), (85, 956626), (110, 739211), (118, 689095), (121, 672010), (134, 606815), (170, 478313), (187, 434830), (242, 336005), (295, 275638), (335, 242726), (374, 217415), (590, 137819), (605, 134402), (649, 125290), (670, 121363), (737, 110330), (935, 86966), (1003, 81070), (1139, 71390), (1210, 67201), (1298, 62645), (1474, 55165), (1870, 43483), (2006, 40535), (2057, 39530), (2278, 35695), (3245, 25058), (3685, 22066), (3953, 20570), (4114, 19765), (5015, 16214), (5695, 14278), (6490, 12529), (7139, 11390), (7370, 11033), (7906, 10285), (8107, 10030)]