855955520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:801

約数の個数: 168

約数和(自身を含む): 2404506240

約数和(自身を除く): 1548550720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 79, 80, 98, 112, 140, 158, 160, 196, 224, 245, 280, 316, 320, 392, 395, 448, 490, 553, 560, 632, 691, 784, 790, 980, 1106, 1120, 1264, 1382, 1568, 1580, 1960, 2212, 2240, 2528, 2764, 2765, 3136, 3160, 3455, 3871, 3920, 4424, 4837, 5056, 5528, 5530, 6320, 6910, 7742, 7840, 8848, 9674, 11056, 11060, 12640, 13820, 15484, 15680, 17696, 19348, 19355, 22112, 22120, 24185, 25280, 27640, 30968, 33859, 35392, 38696, 38710, 44224, 44240, 48370, 54589, 55280, 61936, 67718, 77392, 77420, 88480, 96740, 109178, 110560, 123872, 135436, 154784, 154840, 169295, 176960, 193480, 218356, 221120, 247744, 270872, 272945, 309568, 309680, 338590, 382123, 386960, 436712, 541744, 545890, 619360, 677180, 764246, 773920, 873424, 1083488, 1091780, 1238720, 1354360, 1528492, 1547840, 1746848, 1910615, 2166976, 2183560, 2674861, 2708720, 3056984, 3493696, 3821230, 4367120, 5349722, 5417440, 6113968, 7642460, 8734240, 10699444, 10834880, 12227936, 13374305, 15284920, 17468480, 21398888, 24455872, 26748610, 30569840, 42797776, 53497220, 61139680, 85595552, 106994440, 122279360, 171191104, 213988880, 427977760, 855955520]

約数ペア:

[(1, 855955520), (2, 427977760), (4, 213988880), (5, 171191104), (7, 122279360), (8, 106994440), (10, 85595552), (14, 61139680), (16, 53497220), (20, 42797776), (28, 30569840), (32, 26748610), (35, 24455872), (40, 21398888), (49, 17468480), (56, 15284920), (64, 13374305), (70, 12227936), (79, 10834880), (80, 10699444), (98, 8734240), (112, 7642460), (140, 6113968), (158, 5417440), (160, 5349722), (196, 4367120), (224, 3821230), (245, 3493696), (280, 3056984), (316, 2708720), (320, 2674861), (392, 2183560), (395, 2166976), (448, 1910615), (490, 1746848), (553, 1547840), (560, 1528492), (632, 1354360), (691, 1238720), (784, 1091780), (790, 1083488), (980, 873424), (1106, 773920), (1120, 764246), (1264, 677180), (1382, 619360), (1568, 545890), (1580, 541744), (1960, 436712), (2212, 386960), (2240, 382123), (2528, 338590), (2764, 309680), (2765, 309568), (3136, 272945), (3160, 270872), (3455, 247744), (3871, 221120), (3920, 218356), (4424, 193480), (4837, 176960), (5056, 169295), (5528, 154840), (5530, 154784), (6320, 135436), (6910, 123872), (7742, 110560), (7840, 109178), (8848, 96740), (9674, 88480), (11056, 77420), (11060, 77392), (12640, 67718), (13820, 61936), (15484, 55280), (15680, 54589), (17696, 48370), (19348, 44240), (19355, 44224), (22112, 38710), (22120, 38696), (24185, 35392), (25280, 33859), (27640, 30968)]