641434920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{763613}}^1$

素因数の和:763634

約数の個数: 64

約数和(自身を含む): 2199208320

約数和(自身を除く): 1557773400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 763613, 1527226, 2290839, 3054452, 3818065, 4581678, 5345291, 6108904, 7636130, 9163356, 10690582, 11454195, 15272260, 16035873, 18326712, 21381164, 22908390, 26726455, 30544520, 32071746, 42762328, 45816780, 53452910, 64143492, 80179365, 91633560, 106905820, 128286984, 160358730, 213811640, 320717460, 641434920]

約数ペア:

[(1, 641434920), (2, 320717460), (3, 213811640), (4, 160358730), (5, 128286984), (6, 106905820), (7, 91633560), (8, 80179365), (10, 64143492), (12, 53452910), (14, 45816780), (15, 42762328), (20, 32071746), (21, 30544520), (24, 26726455), (28, 22908390), (30, 21381164), (35, 18326712), (40, 16035873), (42, 15272260), (56, 11454195), (60, 10690582), (70, 9163356), (84, 7636130), (105, 6108904), (120, 5345291), (140, 4581678), (168, 3818065), (210, 3054452), (280, 2290839), (420, 1527226), (840, 763613)]