55515040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 144

約数和(自身を含む): 156251592

約数和(自身を除く): 100736552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 73, 80, 97, 98, 112, 140, 146, 160, 194, 196, 224, 245, 280, 292, 365, 388, 392, 485, 490, 511, 560, 584, 679, 730, 776, 784, 970, 980, 1022, 1120, 1168, 1358, 1460, 1552, 1568, 1940, 1960, 2044, 2336, 2555, 2716, 2920, 3104, 3395, 3577, 3880, 3920, 4088, 4753, 5110, 5432, 5840, 6790, 7081, 7154, 7760, 7840, 8176, 9506, 10220, 10864, 11680, 13580, 14162, 14308, 15520, 16352, 17885, 19012, 20440, 21728, 23765, 27160, 28324, 28616, 35405, 35770, 38024, 40880, 47530, 49567, 54320, 56648, 57232, 70810, 71540, 76048, 81760, 95060, 99134, 108640, 113296, 114464, 141620, 143080, 152096, 190120, 198268, 226592, 247835, 283240, 286160, 346969, 380240, 396536, 495670, 566480, 572320, 693938, 760480, 793072, 991340, 1132960, 1387876, 1586144, 1734845, 1982680, 2775752, 3469690, 3965360, 5551504, 6939380, 7930720, 11103008, 13878760, 27757520, 55515040]

約数ペア:

[(1, 55515040), (2, 27757520), (4, 13878760), (5, 11103008), (7, 7930720), (8, 6939380), (10, 5551504), (14, 3965360), (16, 3469690), (20, 2775752), (28, 1982680), (32, 1734845), (35, 1586144), (40, 1387876), (49, 1132960), (56, 991340), (70, 793072), (73, 760480), (80, 693938), (97, 572320), (98, 566480), (112, 495670), (140, 396536), (146, 380240), (160, 346969), (194, 286160), (196, 283240), (224, 247835), (245, 226592), (280, 198268), (292, 190120), (365, 152096), (388, 143080), (392, 141620), (485, 114464), (490, 113296), (511, 108640), (560, 99134), (584, 95060), (679, 81760), (730, 76048), (776, 71540), (784, 70810), (970, 57232), (980, 56648), (1022, 54320), (1120, 49567), (1168, 47530), (1358, 40880), (1460, 38024), (1552, 35770), (1568, 35405), (1940, 28616), (1960, 28324), (2044, 27160), (2336, 23765), (2555, 21728), (2716, 20440), (2920, 19012), (3104, 17885), (3395, 16352), (3577, 15520), (3880, 14308), (3920, 14162), (4088, 13580), (4753, 11680), (5110, 10864), (5432, 10220), (5840, 9506), (6790, 8176), (7081, 7840), (7154, 7760)]