289559760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{172357}}^1$

素因数の和:172380

約数の個数: 80

約数和(自身を含む): 1025874816

約数和(自身を除く): 736315056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 172357, 344714, 517071, 689428, 861785, 1034142, 1206499, 1378856, 1723570, 2068284, 2412998, 2585355, 2757712, 3447140, 3619497, 4136568, 4825996, 5170710, 6032495, 6894280, 7238994, 8273136, 9651992, 10341420, 12064990, 13788560, 14477988, 18097485, 19303984, 20682840, 24129980, 28955976, 36194970, 41365680, 48259960, 57911952, 72389940, 96519920, 144779880, 289559760]

約数ペア:

[(1, 289559760), (2, 144779880), (3, 96519920), (4, 72389940), (5, 57911952), (6, 48259960), (7, 41365680), (8, 36194970), (10, 28955976), (12, 24129980), (14, 20682840), (15, 19303984), (16, 18097485), (20, 14477988), (21, 13788560), (24, 12064990), (28, 10341420), (30, 9651992), (35, 8273136), (40, 7238994), (42, 6894280), (48, 6032495), (56, 5170710), (60, 4825996), (70, 4136568), (80, 3619497), (84, 3447140), (105, 2757712), (112, 2585355), (120, 2412998), (140, 2068284), (168, 1723570), (210, 1378856), (240, 1206499), (280, 1034142), (336, 861785), (420, 689428), (560, 517071), (840, 344714), (1680, 172357)]