258688640

素因数分解:

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

素因数の和:219

約数の個数: 192

約数和(自身を含む): 735703560

約数和(自身を除く): 477014920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 73, 80, 98, 112, 113, 128, 140, 146, 160, 196, 224, 226, 245, 280, 292, 320, 365, 392, 448, 452, 490, 511, 560, 565, 584, 640, 730, 784, 791, 896, 904, 980, 1022, 1120, 1130, 1168, 1460, 1568, 1582, 1808, 1960, 2044, 2240, 2260, 2336, 2555, 2920, 3136, 3164, 3577, 3616, 3920, 3955, 4088, 4480, 4520, 4672, 5110, 5537, 5840, 6272, 6328, 7154, 7232, 7840, 7910, 8176, 8249, 9040, 9344, 10220, 11074, 11680, 12656, 14308, 14464, 15680, 15820, 16352, 16498, 17885, 18080, 20440, 22148, 23360, 25312, 27685, 28616, 31360, 31640, 32704, 32996, 35770, 36160, 40880, 41245, 44296, 46720, 50624, 55370, 57232, 57743, 63280, 65408, 65992, 71540, 72320, 81760, 82490, 88592, 101248, 110740, 114464, 115486, 126560, 131984, 143080, 163520, 164980, 177184, 221480, 228928, 230972, 253120, 263968, 286160, 288715, 327040, 329960, 354368, 404201, 442960, 457856, 461944, 506240, 527936, 572320, 577430, 659920, 708736, 808402, 885920, 923888, 1055872, 1144640, 1154860, 1319840, 1616804, 1771840, 1847776, 2021005, 2289280, 2309720, 2639680, 3233608, 3543680, 3695552, 4042010, 4619440, 5279360, 6467216, 7391104, 8084020, 9238880, 12934432, 16168040, 18477760, 25868864, 32336080, 36955520, 51737728, 64672160, 129344320, 258688640]

約数ペア:

[(1, 258688640), (2, 129344320), (4, 64672160), (5, 51737728), (7, 36955520), (8, 32336080), (10, 25868864), (14, 18477760), (16, 16168040), (20, 12934432), (28, 9238880), (32, 8084020), (35, 7391104), (40, 6467216), (49, 5279360), (56, 4619440), (64, 4042010), (70, 3695552), (73, 3543680), (80, 3233608), (98, 2639680), (112, 2309720), (113, 2289280), (128, 2021005), (140, 1847776), (146, 1771840), (160, 1616804), (196, 1319840), (224, 1154860), (226, 1144640), (245, 1055872), (280, 923888), (292, 885920), (320, 808402), (365, 708736), (392, 659920), (448, 577430), (452, 572320), (490, 527936), (511, 506240), (560, 461944), (565, 457856), (584, 442960), (640, 404201), (730, 354368), (784, 329960), (791, 327040), (896, 288715), (904, 286160), (980, 263968), (1022, 253120), (1120, 230972), (1130, 228928), (1168, 221480), (1460, 177184), (1568, 164980), (1582, 163520), (1808, 143080), (1960, 131984), (2044, 126560), (2240, 115486), (2260, 114464), (2336, 110740), (2555, 101248), (2920, 88592), (3136, 82490), (3164, 81760), (3577, 72320), (3616, 71540), (3920, 65992), (3955, 65408), (4088, 63280), (4480, 57743), (4520, 57232), (4672, 55370), (5110, 50624), (5537, 46720), (5840, 44296), (6272, 41245), (6328, 40880), (7154, 36160), (7232, 35770), (7840, 32996), (7910, 32704), (8176, 31640), (8249, 31360), (9040, 28616), (9344, 27685), (10220, 25312), (11074, 23360), (11680, 22148), (12656, 20440), (14308, 18080), (14464, 17885), (15680, 16498), (15820, 16352)]