1291229520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{768589}}^1$

素因数の和:768612

約数の個数: 80

約数和(自身を含む): 4574647680

約数和(自身を除く): 3283418160

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, 768589, 1537178, 2305767, 3074356, 3842945, 4611534, 5380123, 6148712, 7685890, 9223068, 10760246, 11528835, 12297424, 15371780, 16140369, 18446136, 21520492, 23057670, 26900615, 30743560, 32280738, 36892272, 43040984, 46115340, 53801230, 61487120, 64561476, 80701845, 86081968, 92230680, 107602460, 129122952, 161403690, 184461360, 215204920, 258245904, 322807380, 430409840, 645614760, 1291229520]

約数ペア:

[(1, 1291229520), (2, 645614760), (3, 430409840), (4, 322807380), (5, 258245904), (6, 215204920), (7, 184461360), (8, 161403690), (10, 129122952), (12, 107602460), (14, 92230680), (15, 86081968), (16, 80701845), (20, 64561476), (21, 61487120), (24, 53801230), (28, 46115340), (30, 43040984), (35, 36892272), (40, 32280738), (42, 30743560), (48, 26900615), (56, 23057670), (60, 21520492), (70, 18446136), (80, 16140369), (84, 15371780), (105, 12297424), (112, 11528835), (120, 10760246), (140, 9223068), (168, 7685890), (210, 6148712), (240, 5380123), (280, 4611534), (336, 3842945), (420, 3074356), (560, 2305767), (840, 1537178), (1680, 768589)]