289780440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:777

約数の個数: 128

約数和(自身を含む): 900979200

約数和(自身を除く): 611198760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 89, 120, 129, 172, 178, 215, 258, 267, 344, 356, 430, 445, 516, 534, 631, 645, 712, 860, 890, 1032, 1068, 1262, 1290, 1335, 1720, 1780, 1893, 2136, 2524, 2580, 2670, 3155, 3560, 3786, 3827, 5048, 5160, 5340, 6310, 7572, 7654, 9465, 10680, 11481, 12620, 15144, 15308, 18930, 19135, 22962, 25240, 27133, 30616, 37860, 38270, 45924, 54266, 56159, 57405, 75720, 76540, 81399, 91848, 108532, 112318, 114810, 135665, 153080, 162798, 168477, 217064, 224636, 229620, 271330, 280795, 325596, 336954, 406995, 449272, 459240, 542660, 561590, 651192, 673908, 813990, 842385, 1085320, 1123180, 1347816, 1627980, 1684770, 2246360, 2414837, 3255960, 3369540, 4829674, 6739080, 7244511, 9659348, 12074185, 14489022, 19318696, 24148370, 28978044, 36222555, 48296740, 57956088, 72445110, 96593480, 144890220, 289780440]

約数ペア:

[(1, 289780440), (2, 144890220), (3, 96593480), (4, 72445110), (5, 57956088), (6, 48296740), (8, 36222555), (10, 28978044), (12, 24148370), (15, 19318696), (20, 14489022), (24, 12074185), (30, 9659348), (40, 7244511), (43, 6739080), (60, 4829674), (86, 3369540), (89, 3255960), (120, 2414837), (129, 2246360), (172, 1684770), (178, 1627980), (215, 1347816), (258, 1123180), (267, 1085320), (344, 842385), (356, 813990), (430, 673908), (445, 651192), (516, 561590), (534, 542660), (631, 459240), (645, 449272), (712, 406995), (860, 336954), (890, 325596), (1032, 280795), (1068, 271330), (1262, 229620), (1290, 224636), (1335, 217064), (1720, 168477), (1780, 162798), (1893, 153080), (2136, 135665), (2524, 114810), (2580, 112318), (2670, 108532), (3155, 91848), (3560, 81399), (3786, 76540), (3827, 75720), (5048, 57405), (5160, 56159), (5340, 54266), (6310, 45924), (7572, 38270), (7654, 37860), (9465, 30616), (10680, 27133), (11481, 25240), (12620, 22962), (15144, 19135), (15308, 18930)]