68646710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 142829568

約数和(自身を除く): 74182858

約数列:

[1, 2, 5, 10, 11, 22, 31, 41, 55, 62, 82, 110, 155, 205, 310, 341, 410, 451, 491, 682, 902, 982, 1271, 1705, 2255, 2455, 2542, 3410, 4510, 4910, 5401, 6355, 10802, 12710, 13981, 15221, 20131, 27005, 27962, 30442, 40262, 54010, 69905, 76105, 100655, 139810, 152210, 167431, 201310, 221441, 334862, 442882, 624061, 837155, 1107205, 1248122, 1674310, 2214410, 3120305, 6240610, 6864671, 13729342, 34323355, 68646710]

約数ペア:

[(1, 68646710), (2, 34323355), (5, 13729342), (10, 6864671), (11, 6240610), (22, 3120305), (31, 2214410), (41, 1674310), (55, 1248122), (62, 1107205), (82, 837155), (110, 624061), (155, 442882), (205, 334862), (310, 221441), (341, 201310), (410, 167431), (451, 152210), (491, 139810), (682, 100655), (902, 76105), (982, 69905), (1271, 54010), (1705, 40262), (2255, 30442), (2455, 27962), (2542, 27005), (3410, 20131), (4510, 15221), (4910, 13981), (5401, 12710), (6355, 10802)]