81206892

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 239410080

約数和(自身を除く): 158203188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 59, 68, 78, 102, 117, 118, 153, 156, 173, 177, 204, 221, 234, 236, 306, 346, 354, 442, 468, 519, 531, 612, 663, 692, 708, 767, 884, 1003, 1038, 1062, 1326, 1534, 1557, 1989, 2006, 2076, 2124, 2249, 2301, 2652, 2941, 3009, 3068, 3114, 3978, 4012, 4498, 4602, 5882, 6018, 6228, 6747, 6903, 7956, 8823, 8996, 9027, 9204, 10207, 11764, 12036, 13039, 13494, 13806, 17646, 18054, 20241, 20414, 26078, 26469, 26988, 27612, 30621, 35292, 36108, 38233, 39117, 40482, 40828, 52156, 52938, 61242, 76466, 78234, 80964, 91863, 105876, 114699, 117351, 122484, 132691, 152932, 156468, 173519, 183726, 229398, 234702, 265382, 344097, 347038, 367452, 398073, 458796, 469404, 520557, 530764, 688194, 694076, 796146, 1041114, 1194219, 1376388, 1561671, 1592292, 2082228, 2255747, 2388438, 3123342, 4511494, 4776876, 6246684, 6767241, 9022988, 13534482, 20301723, 27068964, 40603446, 81206892]

約数ペア:

[(1, 81206892), (2, 40603446), (3, 27068964), (4, 20301723), (6, 13534482), (9, 9022988), (12, 6767241), (13, 6246684), (17, 4776876), (18, 4511494), (26, 3123342), (34, 2388438), (36, 2255747), (39, 2082228), (51, 1592292), (52, 1561671), (59, 1376388), (68, 1194219), (78, 1041114), (102, 796146), (117, 694076), (118, 688194), (153, 530764), (156, 520557), (173, 469404), (177, 458796), (204, 398073), (221, 367452), (234, 347038), (236, 344097), (306, 265382), (346, 234702), (354, 229398), (442, 183726), (468, 173519), (519, 156468), (531, 152932), (612, 132691), (663, 122484), (692, 117351), (708, 114699), (767, 105876), (884, 91863), (1003, 80964), (1038, 78234), (1062, 76466), (1326, 61242), (1534, 52938), (1557, 52156), (1989, 40828), (2006, 40482), (2076, 39117), (2124, 38233), (2249, 36108), (2301, 35292), (2652, 30621), (2941, 27612), (3009, 26988), (3068, 26469), (3114, 26078), (3978, 20414), (4012, 20241), (4498, 18054), (4602, 17646), (5882, 13806), (6018, 13494), (6228, 13039), (6747, 12036), (6903, 11764), (7956, 10207), (8823, 9204), (8996, 9027)]