289261620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51839}}^1$

素因数の和:51885

約数の個数: 72

約数和(自身を含む): 905748480

約数和(自身を除く): 616486860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 51839, 103678, 155517, 207356, 259195, 311034, 466551, 518390, 622068, 777585, 933102, 1036780, 1555170, 1607009, 1866204, 2332755, 3110340, 3214018, 4665510, 4821027, 6428036, 8035045, 9331020, 9642054, 14463081, 16070090, 19284108, 24105135, 28926162, 32140180, 48210270, 57852324, 72315405, 96420540, 144630810, 289261620]

約数ペア:

[(1, 289261620), (2, 144630810), (3, 96420540), (4, 72315405), (5, 57852324), (6, 48210270), (9, 32140180), (10, 28926162), (12, 24105135), (15, 19284108), (18, 16070090), (20, 14463081), (30, 9642054), (31, 9331020), (36, 8035045), (45, 6428036), (60, 4821027), (62, 4665510), (90, 3214018), (93, 3110340), (124, 2332755), (155, 1866204), (180, 1607009), (186, 1555170), (279, 1036780), (310, 933102), (372, 777585), (465, 622068), (558, 518390), (620, 466551), (930, 311034), (1116, 259195), (1395, 207356), (1860, 155517), (2790, 103678), (5580, 51839)]