281468280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3011}}^1$

素因数の和:3085

約数の個数: 128

約数和(自身を含む): 910828800

約数和(自身を除く): 629360520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 41, 57, 60, 76, 82, 95, 114, 120, 123, 152, 164, 190, 205, 228, 246, 285, 328, 380, 410, 456, 492, 570, 615, 760, 779, 820, 984, 1140, 1230, 1558, 1640, 2280, 2337, 2460, 3011, 3116, 3895, 4674, 4920, 6022, 6232, 7790, 9033, 9348, 11685, 12044, 15055, 15580, 18066, 18696, 23370, 24088, 30110, 31160, 36132, 45165, 46740, 57209, 60220, 72264, 90330, 93480, 114418, 120440, 123451, 171627, 180660, 228836, 246902, 286045, 343254, 361320, 370353, 457672, 493804, 572090, 617255, 686508, 740706, 858135, 987608, 1144180, 1234510, 1373016, 1481412, 1716270, 1851765, 2288360, 2345569, 2469020, 2962824, 3432540, 3703530, 4691138, 4938040, 6865080, 7036707, 7407060, 9382276, 11727845, 14073414, 14814120, 18764552, 23455690, 28146828, 35183535, 46911380, 56293656, 70367070, 93822760, 140734140, 281468280]

約数ペア:

[(1, 281468280), (2, 140734140), (3, 93822760), (4, 70367070), (5, 56293656), (6, 46911380), (8, 35183535), (10, 28146828), (12, 23455690), (15, 18764552), (19, 14814120), (20, 14073414), (24, 11727845), (30, 9382276), (38, 7407060), (40, 7036707), (41, 6865080), (57, 4938040), (60, 4691138), (76, 3703530), (82, 3432540), (95, 2962824), (114, 2469020), (120, 2345569), (123, 2288360), (152, 1851765), (164, 1716270), (190, 1481412), (205, 1373016), (228, 1234510), (246, 1144180), (285, 987608), (328, 858135), (380, 740706), (410, 686508), (456, 617255), (492, 572090), (570, 493804), (615, 457672), (760, 370353), (779, 361320), (820, 343254), (984, 286045), (1140, 246902), (1230, 228836), (1558, 180660), (1640, 171627), (2280, 123451), (2337, 120440), (2460, 114418), (3011, 93480), (3116, 90330), (3895, 72264), (4674, 60220), (4920, 57209), (6022, 46740), (6232, 45165), (7790, 36132), (9033, 31160), (9348, 30110), (11685, 24088), (12044, 23370), (15055, 18696), (15580, 18066)]