81568188

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 236728800

約数和(自身を除く): 155160612

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 41, 52, 54, 78, 82, 108, 109, 117, 123, 156, 164, 169, 218, 234, 246, 327, 338, 351, 369, 436, 468, 492, 507, 533, 654, 676, 702, 738, 981, 1014, 1066, 1107, 1308, 1404, 1417, 1476, 1521, 1599, 1962, 2028, 2132, 2214, 2834, 2943, 3042, 3198, 3924, 4251, 4428, 4469, 4563, 4797, 5668, 5886, 6084, 6396, 6929, 8502, 8938, 9126, 9594, 11772, 12753, 13407, 13858, 14391, 17004, 17876, 18252, 18421, 19188, 20787, 25506, 26814, 27716, 28782, 36842, 38259, 40221, 41574, 51012, 53628, 55263, 57564, 58097, 62361, 73684, 76518, 80442, 83148, 110526, 116194, 120663, 124722, 153036, 160884, 165789, 174291, 187083, 221052, 232388, 241326, 249444, 331578, 348582, 374166, 482652, 497367, 522873, 663156, 697164, 748332, 755261, 994734, 1045746, 1510522, 1568619, 1989468, 2091492, 2265783, 3021044, 3137238, 4531566, 6274476, 6797349, 9063132, 13594698, 20392047, 27189396, 40784094, 81568188]

約数ペア:

[(1, 81568188), (2, 40784094), (3, 27189396), (4, 20392047), (6, 13594698), (9, 9063132), (12, 6797349), (13, 6274476), (18, 4531566), (26, 3137238), (27, 3021044), (36, 2265783), (39, 2091492), (41, 1989468), (52, 1568619), (54, 1510522), (78, 1045746), (82, 994734), (108, 755261), (109, 748332), (117, 697164), (123, 663156), (156, 522873), (164, 497367), (169, 482652), (218, 374166), (234, 348582), (246, 331578), (327, 249444), (338, 241326), (351, 232388), (369, 221052), (436, 187083), (468, 174291), (492, 165789), (507, 160884), (533, 153036), (654, 124722), (676, 120663), (702, 116194), (738, 110526), (981, 83148), (1014, 80442), (1066, 76518), (1107, 73684), (1308, 62361), (1404, 58097), (1417, 57564), (1476, 55263), (1521, 53628), (1599, 51012), (1962, 41574), (2028, 40221), (2132, 38259), (2214, 36842), (2834, 28782), (2943, 27716), (3042, 26814), (3198, 25506), (3924, 20787), (4251, 19188), (4428, 18421), (4469, 18252), (4563, 17876), (4797, 17004), (5668, 14391), (5886, 13858), (6084, 13407), (6396, 12753), (6929, 11772), (8502, 9594), (8938, 9126)]