988667520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1259}}^1$

素因数の和:1690

約数の個数: 128

約数和(自身を含む): 3161592000

約数和(自身を除く): 2172924480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 409, 480, 640, 818, 960, 1227, 1259, 1636, 1920, 2045, 2454, 2518, 3272, 3777, 4090, 4908, 5036, 6135, 6295, 6544, 7554, 8180, 9816, 10072, 12270, 12590, 13088, 15108, 16360, 18885, 19632, 20144, 24540, 25180, 26176, 30216, 32720, 37770, 39264, 40288, 49080, 50360, 52352, 60432, 65440, 75540, 78528, 80576, 98160, 100720, 120864, 130880, 151080, 157056, 161152, 196320, 201440, 241728, 261760, 302160, 392640, 402880, 483456, 514931, 604320, 785280, 805760, 1029862, 1208640, 1544793, 2059724, 2417280, 2574655, 3089586, 4119448, 5149310, 6179172, 7723965, 8238896, 10298620, 12358344, 15447930, 16477792, 20597240, 24716688, 30895860, 32955584, 41194480, 49433376, 61791720, 65911168, 82388960, 98866752, 123583440, 164777920, 197733504, 247166880, 329555840, 494333760, 988667520]

約数ペア:

[(1, 988667520), (2, 494333760), (3, 329555840), (4, 247166880), (5, 197733504), (6, 164777920), (8, 123583440), (10, 98866752), (12, 82388960), (15, 65911168), (16, 61791720), (20, 49433376), (24, 41194480), (30, 32955584), (32, 30895860), (40, 24716688), (48, 20597240), (60, 16477792), (64, 15447930), (80, 12358344), (96, 10298620), (120, 8238896), (128, 7723965), (160, 6179172), (192, 5149310), (240, 4119448), (320, 3089586), (384, 2574655), (409, 2417280), (480, 2059724), (640, 1544793), (818, 1208640), (960, 1029862), (1227, 805760), (1259, 785280), (1636, 604320), (1920, 514931), (2045, 483456), (2454, 402880), (2518, 392640), (3272, 302160), (3777, 261760), (4090, 241728), (4908, 201440), (5036, 196320), (6135, 161152), (6295, 157056), (6544, 151080), (7554, 130880), (8180, 120864), (9816, 100720), (10072, 98160), (12270, 80576), (12590, 78528), (13088, 75540), (15108, 65440), (16360, 60432), (18885, 52352), (19632, 50360), (20144, 49080), (24540, 40288), (25180, 39264), (26176, 37770), (30216, 32720)]