638284320

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2081}}^1$

素因数の和:2176

約数の個数: 192

約数和(自身を含む): 2266548480

約数和(自身を除く): 1628264160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 71, 72, 80, 90, 96, 108, 120, 135, 142, 144, 160, 180, 213, 216, 240, 270, 284, 288, 355, 360, 426, 432, 480, 540, 568, 639, 710, 720, 852, 864, 1065, 1080, 1136, 1278, 1420, 1440, 1704, 1917, 2081, 2130, 2160, 2272, 2556, 2840, 3195, 3408, 3834, 4162, 4260, 4320, 5112, 5680, 6243, 6390, 6816, 7668, 8324, 8520, 9585, 10224, 10405, 11360, 12486, 12780, 15336, 16648, 17040, 18729, 19170, 20448, 20810, 24972, 25560, 30672, 31215, 33296, 34080, 37458, 38340, 41620, 49944, 51120, 56187, 61344, 62430, 66592, 74916, 76680, 83240, 93645, 99888, 102240, 112374, 124860, 147751, 149832, 153360, 166480, 187290, 199776, 224748, 249720, 280935, 295502, 299664, 306720, 332960, 374580, 443253, 449496, 499440, 561870, 591004, 599328, 738755, 749160, 886506, 898992, 998880, 1123740, 1182008, 1329759, 1477510, 1498320, 1773012, 1797984, 2216265, 2247480, 2364016, 2659518, 2955020, 2996640, 3546024, 3989277, 4432530, 4494960, 4728032, 5319036, 5910040, 6648795, 7092048, 7978554, 8865060, 8989920, 10638072, 11820080, 13297590, 14184096, 15957108, 17730120, 19946385, 21276144, 23640160, 26595180, 31914216, 35460240, 39892770, 42552288, 53190360, 63828432, 70920480, 79785540, 106380720, 127656864, 159571080, 212761440, 319142160, 638284320]

約数ペア:

[(1, 638284320), (2, 319142160), (3, 212761440), (4, 159571080), (5, 127656864), (6, 106380720), (8, 79785540), (9, 70920480), (10, 63828432), (12, 53190360), (15, 42552288), (16, 39892770), (18, 35460240), (20, 31914216), (24, 26595180), (27, 23640160), (30, 21276144), (32, 19946385), (36, 17730120), (40, 15957108), (45, 14184096), (48, 13297590), (54, 11820080), (60, 10638072), (71, 8989920), (72, 8865060), (80, 7978554), (90, 7092048), (96, 6648795), (108, 5910040), (120, 5319036), (135, 4728032), (142, 4494960), (144, 4432530), (160, 3989277), (180, 3546024), (213, 2996640), (216, 2955020), (240, 2659518), (270, 2364016), (284, 2247480), (288, 2216265), (355, 1797984), (360, 1773012), (426, 1498320), (432, 1477510), (480, 1329759), (540, 1182008), (568, 1123740), (639, 998880), (710, 898992), (720, 886506), (852, 749160), (864, 738755), (1065, 599328), (1080, 591004), (1136, 561870), (1278, 499440), (1420, 449496), (1440, 443253), (1704, 374580), (1917, 332960), (2081, 306720), (2130, 299664), (2160, 295502), (2272, 280935), (2556, 249720), (2840, 224748), (3195, 199776), (3408, 187290), (3834, 166480), (4162, 153360), (4260, 149832), (4320, 147751), (5112, 124860), (5680, 112374), (6243, 102240), (6390, 99888), (6816, 93645), (7668, 83240), (8324, 76680), (8520, 74916), (9585, 66592), (10224, 62430), (10405, 61344), (11360, 56187), (12486, 51120), (12780, 49944), (15336, 41620), (16648, 38340), (17040, 37458), (18729, 34080), (19170, 33296), (20448, 31215), (20810, 30672), (24972, 25560)]