71656960

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1217}}^1$

素因数の和:1263

約数の個数: 80

約数和(自身を含む): 179426016

約数和(自身を除く): 107769056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1217, 1280, 1472, 1840, 2434, 2560, 2944, 3680, 4868, 5888, 6085, 7360, 9736, 11776, 12170, 14720, 19472, 24340, 27991, 29440, 38944, 48680, 55982, 58880, 77888, 97360, 111964, 139955, 155776, 194720, 223928, 279910, 311552, 389440, 447856, 559820, 623104, 778880, 895712, 1119640, 1557760, 1791424, 2239280, 3115520, 3582848, 4478560, 7165696, 8957120, 14331392, 17914240, 35828480, 71656960]

約数ペア:

[(1, 71656960), (2, 35828480), (4, 17914240), (5, 14331392), (8, 8957120), (10, 7165696), (16, 4478560), (20, 3582848), (23, 3115520), (32, 2239280), (40, 1791424), (46, 1557760), (64, 1119640), (80, 895712), (92, 778880), (115, 623104), (128, 559820), (160, 447856), (184, 389440), (230, 311552), (256, 279910), (320, 223928), (368, 194720), (460, 155776), (512, 139955), (640, 111964), (736, 97360), (920, 77888), (1217, 58880), (1280, 55982), (1472, 48680), (1840, 38944), (2434, 29440), (2560, 27991), (2944, 24340), (3680, 19472), (4868, 14720), (5888, 12170), (6085, 11776), (7360, 9736)]