641399760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{890833}}^1$

素因数の和:890852

約数の個数: 60

約数和(自身を含む): 2154036612

約数和(自身を除く): 1512636852

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 890833, 1781666, 2672499, 3563332, 4454165, 5344998, 7126664, 8017497, 8908330, 10689996, 13362495, 14253328, 16034994, 17816660, 21379992, 26724990, 32069988, 35633320, 40087485, 42759984, 53449980, 64139976, 71266640, 80174970, 106899960, 128279952, 160349940, 213799920, 320699880, 641399760]

約数ペア:

[(1, 641399760), (2, 320699880), (3, 213799920), (4, 160349940), (5, 128279952), (6, 106899960), (8, 80174970), (9, 71266640), (10, 64139976), (12, 53449980), (15, 42759984), (16, 40087485), (18, 35633320), (20, 32069988), (24, 26724990), (30, 21379992), (36, 17816660), (40, 16034994), (45, 14253328), (48, 13362495), (60, 10689996), (72, 8908330), (80, 8017497), (90, 7126664), (120, 5344998), (144, 4454165), (180, 3563332), (240, 2672499), (360, 1781666), (720, 890833)]