19926480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:461

約数の個数: 160

約数和(自身を含む): 73209600

約数和(自身を除く): 53283120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 348, 406, 409, 420, 435, 464, 560, 580, 609, 696, 812, 818, 840, 870, 1015, 1160, 1218, 1227, 1392, 1624, 1636, 1680, 1740, 2030, 2045, 2320, 2436, 2454, 2863, 3045, 3248, 3272, 3480, 4060, 4090, 4872, 4908, 5726, 6090, 6135, 6544, 6960, 8120, 8180, 8589, 9744, 9816, 11452, 11861, 12180, 12270, 14315, 16240, 16360, 17178, 19632, 22904, 23722, 24360, 24540, 28630, 32720, 34356, 35583, 42945, 45808, 47444, 48720, 49080, 57260, 59305, 68712, 71166, 83027, 85890, 94888, 98160, 114520, 118610, 137424, 142332, 166054, 171780, 177915, 189776, 229040, 237220, 249081, 284664, 332108, 343560, 355830, 415135, 474440, 498162, 569328, 664216, 687120, 711660, 830270, 948880, 996324, 1245405, 1328432, 1423320, 1660540, 1992648, 2490810, 2846640, 3321080, 3985296, 4981620, 6642160, 9963240, 19926480]

約数ペア:

[(1, 19926480), (2, 9963240), (3, 6642160), (4, 4981620), (5, 3985296), (6, 3321080), (7, 2846640), (8, 2490810), (10, 1992648), (12, 1660540), (14, 1423320), (15, 1328432), (16, 1245405), (20, 996324), (21, 948880), (24, 830270), (28, 711660), (29, 687120), (30, 664216), (35, 569328), (40, 498162), (42, 474440), (48, 415135), (56, 355830), (58, 343560), (60, 332108), (70, 284664), (80, 249081), (84, 237220), (87, 229040), (105, 189776), (112, 177915), (116, 171780), (120, 166054), (140, 142332), (145, 137424), (168, 118610), (174, 114520), (203, 98160), (210, 94888), (232, 85890), (240, 83027), (280, 71166), (290, 68712), (336, 59305), (348, 57260), (406, 49080), (409, 48720), (420, 47444), (435, 45808), (464, 42945), (560, 35583), (580, 34356), (609, 32720), (696, 28630), (812, 24540), (818, 24360), (840, 23722), (870, 22904), (1015, 19632), (1160, 17178), (1218, 16360), (1227, 16240), (1392, 14315), (1624, 12270), (1636, 12180), (1680, 11861), (1740, 11452), (2030, 9816), (2045, 9744), (2320, 8589), (2436, 8180), (2454, 8120), (2863, 6960), (3045, 6544), (3248, 6135), (3272, 6090), (3480, 5726), (4060, 4908), (4090, 4872)]