128814720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2917}}^1$

素因数の和:2962

約数の個数: 128

約数和(自身を含む): 428595840

約数和(自身を除く): 299781120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 1920, 2208, 2760, 2917, 2944, 3680, 4416, 5520, 5834, 7360, 8751, 8832, 11040, 11668, 14585, 14720, 17502, 22080, 23336, 29170, 35004, 43755, 44160, 46672, 58340, 67091, 70008, 87510, 93344, 116680, 134182, 140016, 175020, 186688, 201273, 233360, 268364, 280032, 335455, 350040, 373376, 402546, 466720, 536728, 560064, 670910, 700080, 805092, 933440, 1006365, 1073456, 1120128, 1341820, 1400160, 1610184, 1866880, 2012730, 2146912, 2683640, 2800320, 3220368, 4025460, 4293824, 5367280, 5600640, 6440736, 8050920, 8587648, 10734560, 12881472, 16101840, 21469120, 25762944, 32203680, 42938240, 64407360, 128814720]

約数ペア:

[(1, 128814720), (2, 64407360), (3, 42938240), (4, 32203680), (5, 25762944), (6, 21469120), (8, 16101840), (10, 12881472), (12, 10734560), (15, 8587648), (16, 8050920), (20, 6440736), (23, 5600640), (24, 5367280), (30, 4293824), (32, 4025460), (40, 3220368), (46, 2800320), (48, 2683640), (60, 2146912), (64, 2012730), (69, 1866880), (80, 1610184), (92, 1400160), (96, 1341820), (115, 1120128), (120, 1073456), (128, 1006365), (138, 933440), (160, 805092), (184, 700080), (192, 670910), (230, 560064), (240, 536728), (276, 466720), (320, 402546), (345, 373376), (368, 350040), (384, 335455), (460, 280032), (480, 268364), (552, 233360), (640, 201273), (690, 186688), (736, 175020), (920, 140016), (960, 134182), (1104, 116680), (1380, 93344), (1472, 87510), (1840, 70008), (1920, 67091), (2208, 58340), (2760, 46672), (2917, 44160), (2944, 43755), (3680, 35004), (4416, 29170), (5520, 23336), (5834, 22080), (7360, 17502), (8751, 14720), (8832, 14585), (11040, 11668)]