81267984

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2179}}^1$

素因数の和:2237

約数の個数: 120

約数和(自身を含む): 267076160

約数和(自身を除く): 185808176

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 37, 42, 48, 56, 63, 72, 74, 84, 111, 112, 126, 144, 148, 168, 222, 252, 259, 296, 333, 336, 444, 504, 518, 592, 666, 777, 888, 1008, 1036, 1332, 1554, 1776, 2072, 2179, 2331, 2664, 3108, 4144, 4358, 4662, 5328, 6216, 6537, 8716, 9324, 12432, 13074, 15253, 17432, 18648, 19611, 26148, 30506, 34864, 37296, 39222, 45759, 52296, 61012, 78444, 80623, 91518, 104592, 122024, 137277, 156888, 161246, 183036, 241869, 244048, 274554, 313776, 322492, 366072, 483738, 549108, 564361, 644984, 725607, 732144, 967476, 1098216, 1128722, 1289968, 1451214, 1693083, 1934952, 2196432, 2257444, 2902428, 3386166, 3869904, 4514888, 5079249, 5804856, 6772332, 9029776, 10158498, 11609712, 13544664, 20316996, 27089328, 40633992, 81267984]

約数ペア:

[(1, 81267984), (2, 40633992), (3, 27089328), (4, 20316996), (6, 13544664), (7, 11609712), (8, 10158498), (9, 9029776), (12, 6772332), (14, 5804856), (16, 5079249), (18, 4514888), (21, 3869904), (24, 3386166), (28, 2902428), (36, 2257444), (37, 2196432), (42, 1934952), (48, 1693083), (56, 1451214), (63, 1289968), (72, 1128722), (74, 1098216), (84, 967476), (111, 732144), (112, 725607), (126, 644984), (144, 564361), (148, 549108), (168, 483738), (222, 366072), (252, 322492), (259, 313776), (296, 274554), (333, 244048), (336, 241869), (444, 183036), (504, 161246), (518, 156888), (592, 137277), (666, 122024), (777, 104592), (888, 91518), (1008, 80623), (1036, 78444), (1332, 61012), (1554, 52296), (1776, 45759), (2072, 39222), (2179, 37296), (2331, 34864), (2664, 30506), (3108, 26148), (4144, 19611), (4358, 18648), (4662, 17432), (5328, 15253), (6216, 13074), (6537, 12432), (8716, 9324)]