120915840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:980

約数の個数: 128

約数和(自身を含む): 391288320

約数和(自身を除く): 270372480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 160, 192, 213, 240, 284, 320, 355, 384, 426, 480, 568, 640, 710, 852, 887, 960, 1065, 1136, 1420, 1704, 1774, 1920, 2130, 2272, 2661, 2840, 3408, 3548, 4260, 4435, 4544, 5322, 5680, 6816, 7096, 8520, 8870, 9088, 10644, 11360, 13305, 13632, 14192, 17040, 17740, 21288, 22720, 26610, 27264, 28384, 34080, 35480, 42576, 45440, 53220, 56768, 62977, 68160, 70960, 85152, 106440, 113536, 125954, 136320, 141920, 170304, 188931, 212880, 251908, 283840, 314885, 340608, 377862, 425760, 503816, 567680, 629770, 755724, 851520, 944655, 1007632, 1259540, 1511448, 1703040, 1889310, 2015264, 2519080, 3022896, 3778620, 4030528, 5038160, 6045792, 7557240, 8061056, 10076320, 12091584, 15114480, 20152640, 24183168, 30228960, 40305280, 60457920, 120915840]

約数ペア:

[(1, 120915840), (2, 60457920), (3, 40305280), (4, 30228960), (5, 24183168), (6, 20152640), (8, 15114480), (10, 12091584), (12, 10076320), (15, 8061056), (16, 7557240), (20, 6045792), (24, 5038160), (30, 4030528), (32, 3778620), (40, 3022896), (48, 2519080), (60, 2015264), (64, 1889310), (71, 1703040), (80, 1511448), (96, 1259540), (120, 1007632), (128, 944655), (142, 851520), (160, 755724), (192, 629770), (213, 567680), (240, 503816), (284, 425760), (320, 377862), (355, 340608), (384, 314885), (426, 283840), (480, 251908), (568, 212880), (640, 188931), (710, 170304), (852, 141920), (887, 136320), (960, 125954), (1065, 113536), (1136, 106440), (1420, 85152), (1704, 70960), (1774, 68160), (1920, 62977), (2130, 56768), (2272, 53220), (2661, 45440), (2840, 42576), (3408, 35480), (3548, 34080), (4260, 28384), (4435, 27264), (4544, 26610), (5322, 22720), (5680, 21288), (6816, 17740), (7096, 17040), (8520, 14192), (8870, 13632), (9088, 13305), (10644, 11360)]