81159120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{16103}}^1$

素因数の和:16129

約数の個数: 120

約数和(自身を含む): 311515776

約数和(自身を除く): 230356656

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 16103, 32206, 48309, 64412, 80515, 96618, 112721, 128824, 144927, 161030, 193236, 225442, 241545, 257648, 289854, 322060, 338163, 386472, 450884, 483090, 563605, 579708, 644120, 676326, 724635, 772944, 901768, 966180, 1014489, 1127210, 1159416, 1288240, 1352652, 1449270, 1690815, 1803536, 1932360, 2028978, 2254420, 2318832, 2705304, 2898540, 3381630, 3864720, 4057956, 4508840, 5072445, 5410608, 5797080, 6763260, 8115912, 9017680, 10144890, 11594160, 13526520, 16231824, 20289780, 27053040, 40579560, 81159120]

約数ペア:

[(1, 81159120), (2, 40579560), (3, 27053040), (4, 20289780), (5, 16231824), (6, 13526520), (7, 11594160), (8, 10144890), (9, 9017680), (10, 8115912), (12, 6763260), (14, 5797080), (15, 5410608), (16, 5072445), (18, 4508840), (20, 4057956), (21, 3864720), (24, 3381630), (28, 2898540), (30, 2705304), (35, 2318832), (36, 2254420), (40, 2028978), (42, 1932360), (45, 1803536), (48, 1690815), (56, 1449270), (60, 1352652), (63, 1288240), (70, 1159416), (72, 1127210), (80, 1014489), (84, 966180), (90, 901768), (105, 772944), (112, 724635), (120, 676326), (126, 644120), (140, 579708), (144, 563605), (168, 483090), (180, 450884), (210, 386472), (240, 338163), (252, 322060), (280, 289854), (315, 257648), (336, 241545), (360, 225442), (420, 193236), (504, 161030), (560, 144927), (630, 128824), (720, 112721), (840, 96618), (1008, 80515), (1260, 64412), (1680, 48309), (2520, 32206), (5040, 16103)]