81561744

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 180

約数和(自身を含む): 260705536

約数和(自身を除く): 179143792

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 31, 33, 36, 44, 48, 62, 66, 72, 88, 93, 99, 121, 124, 132, 144, 151, 176, 186, 198, 242, 248, 264, 279, 302, 341, 363, 372, 396, 453, 484, 496, 528, 558, 604, 682, 726, 744, 792, 906, 968, 1023, 1089, 1116, 1208, 1359, 1364, 1452, 1488, 1584, 1661, 1812, 1936, 2046, 2178, 2232, 2416, 2718, 2728, 2904, 3069, 3322, 3624, 3751, 4092, 4356, 4464, 4681, 4983, 5436, 5456, 5808, 6138, 6644, 7248, 7502, 8184, 8712, 9362, 9966, 10872, 11253, 12276, 13288, 14043, 14949, 15004, 16368, 17424, 18271, 18724, 19932, 21744, 22506, 24552, 26576, 28086, 29898, 30008, 33759, 36542, 37448, 39864, 42129, 45012, 49104, 51491, 54813, 56172, 59796, 60016, 67518, 73084, 74896, 79728, 84258, 90024, 102982, 109626, 112344, 119592, 135036, 146168, 154473, 164439, 168516, 180048, 205964, 219252, 224688, 239184, 270072, 292336, 308946, 328878, 337032, 411928, 438504, 463419, 540144, 566401, 617892, 657756, 674064, 823856, 877008, 926838, 1132802, 1235784, 1315512, 1699203, 1853676, 2265604, 2471568, 2631024, 3398406, 3707352, 4531208, 5097609, 6796812, 7414704, 9062416, 10195218, 13593624, 20390436, 27187248, 40780872, 81561744]

約数ペア:

[(1, 81561744), (2, 40780872), (3, 27187248), (4, 20390436), (6, 13593624), (8, 10195218), (9, 9062416), (11, 7414704), (12, 6796812), (16, 5097609), (18, 4531208), (22, 3707352), (24, 3398406), (31, 2631024), (33, 2471568), (36, 2265604), (44, 1853676), (48, 1699203), (62, 1315512), (66, 1235784), (72, 1132802), (88, 926838), (93, 877008), (99, 823856), (121, 674064), (124, 657756), (132, 617892), (144, 566401), (151, 540144), (176, 463419), (186, 438504), (198, 411928), (242, 337032), (248, 328878), (264, 308946), (279, 292336), (302, 270072), (341, 239184), (363, 224688), (372, 219252), (396, 205964), (453, 180048), (484, 168516), (496, 164439), (528, 154473), (558, 146168), (604, 135036), (682, 119592), (726, 112344), (744, 109626), (792, 102982), (906, 90024), (968, 84258), (1023, 79728), (1089, 74896), (1116, 73084), (1208, 67518), (1359, 60016), (1364, 59796), (1452, 56172), (1488, 54813), (1584, 51491), (1661, 49104), (1812, 45012), (1936, 42129), (2046, 39864), (2178, 37448), (2232, 36542), (2416, 33759), (2718, 30008), (2728, 29898), (2904, 28086), (3069, 26576), (3322, 24552), (3624, 22506), (3751, 21744), (4092, 19932), (4356, 18724), (4464, 18271), (4681, 17424), (4983, 16368), (5436, 15004), (5456, 14949), (5808, 14043), (6138, 13288), (6644, 12276), (7248, 11253), (7502, 10872), (8184, 9966), (8712, 9362)]