64672160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 181762056

約数和(自身を除く): 117089896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 73, 80, 98, 112, 113, 140, 146, 160, 196, 224, 226, 245, 280, 292, 365, 392, 452, 490, 511, 560, 565, 584, 730, 784, 791, 904, 980, 1022, 1120, 1130, 1168, 1460, 1568, 1582, 1808, 1960, 2044, 2260, 2336, 2555, 2920, 3164, 3577, 3616, 3920, 3955, 4088, 4520, 5110, 5537, 5840, 6328, 7154, 7840, 7910, 8176, 8249, 9040, 10220, 11074, 11680, 12656, 14308, 15820, 16352, 16498, 17885, 18080, 20440, 22148, 25312, 27685, 28616, 31640, 32996, 35770, 40880, 41245, 44296, 55370, 57232, 57743, 63280, 65992, 71540, 81760, 82490, 88592, 110740, 114464, 115486, 126560, 131984, 143080, 164980, 177184, 221480, 230972, 263968, 286160, 288715, 329960, 404201, 442960, 461944, 572320, 577430, 659920, 808402, 885920, 923888, 1154860, 1319840, 1616804, 1847776, 2021005, 2309720, 3233608, 4042010, 4619440, 6467216, 8084020, 9238880, 12934432, 16168040, 32336080, 64672160]

約数ペア:

[(1, 64672160), (2, 32336080), (4, 16168040), (5, 12934432), (7, 9238880), (8, 8084020), (10, 6467216), (14, 4619440), (16, 4042010), (20, 3233608), (28, 2309720), (32, 2021005), (35, 1847776), (40, 1616804), (49, 1319840), (56, 1154860), (70, 923888), (73, 885920), (80, 808402), (98, 659920), (112, 577430), (113, 572320), (140, 461944), (146, 442960), (160, 404201), (196, 329960), (224, 288715), (226, 286160), (245, 263968), (280, 230972), (292, 221480), (365, 177184), (392, 164980), (452, 143080), (490, 131984), (511, 126560), (560, 115486), (565, 114464), (584, 110740), (730, 88592), (784, 82490), (791, 81760), (904, 71540), (980, 65992), (1022, 63280), (1120, 57743), (1130, 57232), (1168, 55370), (1460, 44296), (1568, 41245), (1582, 40880), (1808, 35770), (1960, 32996), (2044, 31640), (2260, 28616), (2336, 27685), (2555, 25312), (2920, 22148), (3164, 20440), (3577, 18080), (3616, 17885), (3920, 16498), (3955, 16352), (4088, 15820), (4520, 14308), (5110, 12656), (5537, 11680), (5840, 11074), (6328, 10220), (7154, 9040), (7840, 8249), (7910, 8176)]