81985680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{16267}}^1$

素因数の和:16293

約数の個数: 120

約数和(自身を含む): 314688192

約数和(自身を除く): 232702512

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, 16267, 32534, 48801, 65068, 81335, 97602, 113869, 130136, 146403, 162670, 195204, 227738, 244005, 260272, 292806, 325340, 341607, 390408, 455476, 488010, 569345, 585612, 650680, 683214, 732015, 780816, 910952, 976020, 1024821, 1138690, 1171224, 1301360, 1366428, 1464030, 1708035, 1821904, 1952040, 2049642, 2277380, 2342448, 2732856, 2928060, 3416070, 3904080, 4099284, 4554760, 5124105, 5465712, 5856120, 6832140, 8198568, 9109520, 10248210, 11712240, 13664280, 16397136, 20496420, 27328560, 40992840, 81985680]

約数ペア:

[(1, 81985680), (2, 40992840), (3, 27328560), (4, 20496420), (5, 16397136), (6, 13664280), (7, 11712240), (8, 10248210), (9, 9109520), (10, 8198568), (12, 6832140), (14, 5856120), (15, 5465712), (16, 5124105), (18, 4554760), (20, 4099284), (21, 3904080), (24, 3416070), (28, 2928060), (30, 2732856), (35, 2342448), (36, 2277380), (40, 2049642), (42, 1952040), (45, 1821904), (48, 1708035), (56, 1464030), (60, 1366428), (63, 1301360), (70, 1171224), (72, 1138690), (80, 1024821), (84, 976020), (90, 910952), (105, 780816), (112, 732015), (120, 683214), (126, 650680), (140, 585612), (144, 569345), (168, 488010), (180, 455476), (210, 390408), (240, 341607), (252, 325340), (280, 292806), (315, 260272), (336, 244005), (360, 227738), (420, 195204), (504, 162670), (560, 146403), (630, 130136), (720, 113869), (840, 97602), (1008, 81335), (1260, 65068), (1680, 48801), (2520, 32534), (5040, 16267)]