81347952

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1013}}^1$

素因数の和:1270

約数の個数: 80

約数和(自身を含む): 241413120

約数和(自身を除く): 160065168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 239, 336, 478, 717, 956, 1013, 1434, 1673, 1912, 2026, 2868, 3039, 3346, 3824, 4052, 5019, 5736, 6078, 6692, 7091, 8104, 10038, 11472, 12156, 13384, 14182, 16208, 20076, 21273, 24312, 26768, 28364, 40152, 42546, 48624, 56728, 80304, 85092, 113456, 170184, 242107, 340368, 484214, 726321, 968428, 1452642, 1694749, 1936856, 2905284, 3389498, 3873712, 5084247, 5810568, 6778996, 10168494, 11621136, 13557992, 20336988, 27115984, 40673976, 81347952]

約数ペア:

[(1, 81347952), (2, 40673976), (3, 27115984), (4, 20336988), (6, 13557992), (7, 11621136), (8, 10168494), (12, 6778996), (14, 5810568), (16, 5084247), (21, 3873712), (24, 3389498), (28, 2905284), (42, 1936856), (48, 1694749), (56, 1452642), (84, 968428), (112, 726321), (168, 484214), (239, 340368), (336, 242107), (478, 170184), (717, 113456), (956, 85092), (1013, 80304), (1434, 56728), (1673, 48624), (1912, 42546), (2026, 40152), (2868, 28364), (3039, 26768), (3346, 24312), (3824, 21273), (4052, 20076), (5019, 16208), (5736, 14182), (6078, 13384), (6692, 12156), (7091, 11472), (8104, 10038)]