129916640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:329

約数の個数: 144

約数和(自身を含む): 363524112

約数和(自身を除く): 233607472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 160, 196, 224, 227, 245, 280, 292, 365, 392, 454, 490, 511, 560, 584, 730, 784, 908, 980, 1022, 1120, 1135, 1168, 1460, 1568, 1589, 1816, 1960, 2044, 2270, 2336, 2555, 2920, 3178, 3577, 3632, 3920, 4088, 4540, 5110, 5840, 6356, 7154, 7264, 7840, 7945, 8176, 9080, 10220, 11123, 11680, 12712, 14308, 15890, 16352, 16571, 17885, 18160, 20440, 22246, 25424, 28616, 31780, 33142, 35770, 36320, 40880, 44492, 50848, 55615, 57232, 63560, 66284, 71540, 81760, 82855, 88984, 111230, 114464, 115997, 127120, 132568, 143080, 165710, 177968, 222460, 231994, 254240, 265136, 286160, 331420, 355936, 444920, 463988, 530272, 572320, 579985, 662840, 811979, 889840, 927976, 1159970, 1325680, 1623958, 1779680, 1855952, 2319940, 2651360, 3247916, 3711904, 4059895, 4639880, 6495832, 8119790, 9279760, 12991664, 16239580, 18559520, 25983328, 32479160, 64958320, 129916640]

約数ペア:

[(1, 129916640), (2, 64958320), (4, 32479160), (5, 25983328), (7, 18559520), (8, 16239580), (10, 12991664), (14, 9279760), (16, 8119790), (20, 6495832), (28, 4639880), (32, 4059895), (35, 3711904), (40, 3247916), (49, 2651360), (56, 2319940), (70, 1855952), (73, 1779680), (80, 1623958), (98, 1325680), (112, 1159970), (140, 927976), (146, 889840), (160, 811979), (196, 662840), (224, 579985), (227, 572320), (245, 530272), (280, 463988), (292, 444920), (365, 355936), (392, 331420), (454, 286160), (490, 265136), (511, 254240), (560, 231994), (584, 222460), (730, 177968), (784, 165710), (908, 143080), (980, 132568), (1022, 127120), (1120, 115997), (1135, 114464), (1168, 111230), (1460, 88984), (1568, 82855), (1589, 81760), (1816, 71540), (1960, 66284), (2044, 63560), (2270, 57232), (2336, 55615), (2555, 50848), (2920, 44492), (3178, 40880), (3577, 36320), (3632, 35770), (3920, 33142), (4088, 31780), (4540, 28616), (5110, 25424), (5840, 22246), (6356, 20440), (7154, 18160), (7264, 17885), (7840, 16571), (7945, 16352), (8176, 15890), (9080, 14308), (10220, 12712), (11123, 11680)]