81191484

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:166

約数の個数: 180

約数和(自身を含む): 247832200

約数和(自身を除く): 166640716

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 27, 33, 36, 38, 44, 54, 57, 66, 76, 81, 99, 108, 109, 114, 121, 132, 162, 171, 198, 209, 218, 228, 242, 297, 324, 327, 342, 363, 396, 418, 436, 484, 513, 594, 627, 654, 684, 726, 836, 891, 981, 1026, 1089, 1188, 1199, 1254, 1308, 1452, 1539, 1782, 1881, 1962, 2052, 2071, 2178, 2299, 2398, 2508, 2943, 3078, 3267, 3564, 3597, 3762, 3924, 4142, 4356, 4598, 4796, 5643, 5886, 6156, 6213, 6534, 6897, 7194, 7524, 8284, 8829, 9196, 9801, 10791, 11286, 11772, 12426, 13068, 13189, 13794, 14388, 16929, 17658, 18639, 19602, 20691, 21582, 22572, 22781, 24852, 26378, 27588, 32373, 33858, 35316, 37278, 39204, 39567, 41382, 43164, 45562, 52756, 55917, 62073, 64746, 67716, 68343, 74556, 79134, 82764, 91124, 97119, 111834, 118701, 124146, 129492, 136686, 158268, 167751, 186219, 194238, 205029, 223668, 237402, 248292, 250591, 273372, 335502, 356103, 372438, 388476, 410058, 474804, 501182, 615087, 671004, 712206, 744876, 751773, 820116, 1002364, 1068309, 1230174, 1424412, 1503546, 1845261, 2136618, 2255319, 2460348, 3007092, 3690522, 4273236, 4510638, 6765957, 7381044, 9021276, 13531914, 20297871, 27063828, 40595742, 81191484]

約数ペア:

[(1, 81191484), (2, 40595742), (3, 27063828), (4, 20297871), (6, 13531914), (9, 9021276), (11, 7381044), (12, 6765957), (18, 4510638), (19, 4273236), (22, 3690522), (27, 3007092), (33, 2460348), (36, 2255319), (38, 2136618), (44, 1845261), (54, 1503546), (57, 1424412), (66, 1230174), (76, 1068309), (81, 1002364), (99, 820116), (108, 751773), (109, 744876), (114, 712206), (121, 671004), (132, 615087), (162, 501182), (171, 474804), (198, 410058), (209, 388476), (218, 372438), (228, 356103), (242, 335502), (297, 273372), (324, 250591), (327, 248292), (342, 237402), (363, 223668), (396, 205029), (418, 194238), (436, 186219), (484, 167751), (513, 158268), (594, 136686), (627, 129492), (654, 124146), (684, 118701), (726, 111834), (836, 97119), (891, 91124), (981, 82764), (1026, 79134), (1089, 74556), (1188, 68343), (1199, 67716), (1254, 64746), (1308, 62073), (1452, 55917), (1539, 52756), (1782, 45562), (1881, 43164), (1962, 41382), (2052, 39567), (2071, 39204), (2178, 37278), (2299, 35316), (2398, 33858), (2508, 32373), (2943, 27588), (3078, 26378), (3267, 24852), (3564, 22781), (3597, 22572), (3762, 21582), (3924, 20691), (4142, 19602), (4356, 18639), (4598, 17658), (4796, 16929), (5643, 14388), (5886, 13794), (6156, 13189), (6213, 13068), (6534, 12426), (6897, 11772), (7194, 11286), (7524, 10791), (8284, 9801), (8829, 9196)]