1640282720

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{1913}}^1$

素因数の和:2184

約数の個数: 96

約数和(自身を含む): 4063131072

約数和(自身を除く): 2422848352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 233, 368, 460, 466, 736, 920, 932, 1165, 1840, 1864, 1913, 2330, 3680, 3728, 3826, 4660, 5359, 7456, 7652, 9320, 9565, 10718, 15304, 18640, 19130, 21436, 26795, 30608, 37280, 38260, 42872, 43999, 53590, 61216, 76520, 85744, 87998, 107180, 153040, 171488, 175996, 214360, 219995, 306080, 351992, 428720, 439990, 445729, 703984, 857440, 879980, 891458, 1407968, 1759960, 1782916, 2228645, 3519920, 3565832, 4457290, 7039840, 7131664, 8914580, 10251767, 14263328, 17829160, 20503534, 35658320, 41007068, 51258835, 71316640, 82014136, 102517670, 164028272, 205035340, 328056544, 410070680, 820141360, 1640282720]

約数ペア:

[(1, 1640282720), (2, 820141360), (4, 410070680), (5, 328056544), (8, 205035340), (10, 164028272), (16, 102517670), (20, 82014136), (23, 71316640), (32, 51258835), (40, 41007068), (46, 35658320), (80, 20503534), (92, 17829160), (115, 14263328), (160, 10251767), (184, 8914580), (230, 7131664), (233, 7039840), (368, 4457290), (460, 3565832), (466, 3519920), (736, 2228645), (920, 1782916), (932, 1759960), (1165, 1407968), (1840, 891458), (1864, 879980), (1913, 857440), (2330, 703984), (3680, 445729), (3728, 439990), (3826, 428720), (4660, 351992), (5359, 306080), (7456, 219995), (7652, 214360), (9320, 175996), (9565, 171488), (10718, 153040), (15304, 107180), (18640, 87998), (19130, 85744), (21436, 76520), (26795, 61216), (30608, 53590), (37280, 43999), (38260, 42872)]