81058428

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 240226560

約数和(自身を除く): 159168132

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 31, 33, 36, 44, 54, 62, 66, 71, 93, 99, 108, 124, 132, 142, 186, 198, 213, 279, 284, 297, 341, 372, 396, 426, 558, 594, 639, 682, 781, 837, 852, 961, 1023, 1116, 1188, 1278, 1364, 1562, 1674, 1917, 1922, 2046, 2201, 2343, 2556, 2883, 3069, 3124, 3348, 3834, 3844, 4092, 4402, 4686, 5766, 6138, 6603, 7029, 7668, 8649, 8804, 9207, 9372, 10571, 11532, 12276, 13206, 14058, 17298, 18414, 19809, 21087, 21142, 24211, 25947, 26412, 28116, 31713, 34596, 36828, 39618, 42174, 42284, 48422, 51894, 59427, 63426, 68231, 72633, 79236, 84348, 95139, 96844, 103788, 118854, 126852, 136462, 145266, 190278, 204693, 217899, 237708, 272924, 285417, 290532, 380556, 409386, 435798, 570834, 614079, 653697, 750541, 818772, 871596, 1141668, 1228158, 1307394, 1501082, 1842237, 2251623, 2456316, 2614788, 3002164, 3684474, 4503246, 6754869, 7368948, 9006492, 13509738, 20264607, 27019476, 40529214, 81058428]

約数ペア:

[(1, 81058428), (2, 40529214), (3, 27019476), (4, 20264607), (6, 13509738), (9, 9006492), (11, 7368948), (12, 6754869), (18, 4503246), (22, 3684474), (27, 3002164), (31, 2614788), (33, 2456316), (36, 2251623), (44, 1842237), (54, 1501082), (62, 1307394), (66, 1228158), (71, 1141668), (93, 871596), (99, 818772), (108, 750541), (124, 653697), (132, 614079), (142, 570834), (186, 435798), (198, 409386), (213, 380556), (279, 290532), (284, 285417), (297, 272924), (341, 237708), (372, 217899), (396, 204693), (426, 190278), (558, 145266), (594, 136462), (639, 126852), (682, 118854), (781, 103788), (837, 96844), (852, 95139), (961, 84348), (1023, 79236), (1116, 72633), (1188, 68231), (1278, 63426), (1364, 59427), (1562, 51894), (1674, 48422), (1917, 42284), (1922, 42174), (2046, 39618), (2201, 36828), (2343, 34596), (2556, 31713), (2883, 28116), (3069, 26412), (3124, 25947), (3348, 24211), (3834, 21142), (3844, 21087), (4092, 19809), (4402, 18414), (4686, 17298), (5766, 14058), (6138, 13206), (6603, 12276), (7029, 11532), (7668, 10571), (8649, 9372), (8804, 9207)]