257493120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3271}}^1$

素因数の和:3334

約数の個数: 128

約数和(自身を含む): 841034880

約数和(自身を除く): 583541760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 320, 328, 384, 410, 480, 492, 615, 640, 656, 820, 960, 984, 1230, 1312, 1640, 1920, 1968, 2460, 2624, 3271, 3280, 3936, 4920, 5248, 6542, 6560, 7872, 9813, 9840, 13084, 13120, 15744, 16355, 19626, 19680, 26168, 26240, 32710, 39252, 39360, 49065, 52336, 65420, 78504, 78720, 98130, 104672, 130840, 134111, 157008, 196260, 209344, 261680, 268222, 314016, 392520, 402333, 418688, 523360, 536444, 628032, 670555, 785040, 804666, 1046720, 1072888, 1256064, 1341110, 1570080, 1609332, 2011665, 2093440, 2145776, 2682220, 3140160, 3218664, 4023330, 4291552, 5364440, 6280320, 6437328, 8046660, 8583104, 10728880, 12874656, 16093320, 17166208, 21457760, 25749312, 32186640, 42915520, 51498624, 64373280, 85831040, 128746560, 257493120]

約数ペア:

[(1, 257493120), (2, 128746560), (3, 85831040), (4, 64373280), (5, 51498624), (6, 42915520), (8, 32186640), (10, 25749312), (12, 21457760), (15, 17166208), (16, 16093320), (20, 12874656), (24, 10728880), (30, 8583104), (32, 8046660), (40, 6437328), (41, 6280320), (48, 5364440), (60, 4291552), (64, 4023330), (80, 3218664), (82, 3140160), (96, 2682220), (120, 2145776), (123, 2093440), (128, 2011665), (160, 1609332), (164, 1570080), (192, 1341110), (205, 1256064), (240, 1072888), (246, 1046720), (320, 804666), (328, 785040), (384, 670555), (410, 628032), (480, 536444), (492, 523360), (615, 418688), (640, 402333), (656, 392520), (820, 314016), (960, 268222), (984, 261680), (1230, 209344), (1312, 196260), (1640, 157008), (1920, 134111), (1968, 130840), (2460, 104672), (2624, 98130), (3271, 78720), (3280, 78504), (3936, 65420), (4920, 52336), (5248, 49065), (6542, 39360), (6560, 39252), (7872, 32710), (9813, 26240), (9840, 26168), (13084, 19680), (13120, 19626), (15744, 16355)]