66879680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:506

約数の個数: 112

約数和(自身を含む): 184952640

約数和(自身を除く): 118072960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 320, 365, 409, 448, 511, 560, 584, 730, 818, 1022, 1120, 1168, 1460, 1636, 2044, 2045, 2240, 2336, 2555, 2863, 2920, 3272, 4088, 4090, 4672, 5110, 5726, 5840, 6544, 8176, 8180, 10220, 11452, 11680, 13088, 14315, 16352, 16360, 20440, 22904, 23360, 26176, 28630, 29857, 32704, 32720, 40880, 45808, 57260, 59714, 65440, 81760, 91616, 114520, 119428, 130880, 149285, 163520, 183232, 208999, 229040, 238856, 298570, 417998, 458080, 477712, 597140, 835996, 916160, 955424, 1044995, 1194280, 1671992, 1910848, 2089990, 2388560, 3343984, 4179980, 4777120, 6687968, 8359960, 9554240, 13375936, 16719920, 33439840, 66879680]

約数ペア:

[(1, 66879680), (2, 33439840), (4, 16719920), (5, 13375936), (7, 9554240), (8, 8359960), (10, 6687968), (14, 4777120), (16, 4179980), (20, 3343984), (28, 2388560), (32, 2089990), (35, 1910848), (40, 1671992), (56, 1194280), (64, 1044995), (70, 955424), (73, 916160), (80, 835996), (112, 597140), (140, 477712), (146, 458080), (160, 417998), (224, 298570), (280, 238856), (292, 229040), (320, 208999), (365, 183232), (409, 163520), (448, 149285), (511, 130880), (560, 119428), (584, 114520), (730, 91616), (818, 81760), (1022, 65440), (1120, 59714), (1168, 57260), (1460, 45808), (1636, 40880), (2044, 32720), (2045, 32704), (2240, 29857), (2336, 28630), (2555, 26176), (2863, 23360), (2920, 22904), (3272, 20440), (4088, 16360), (4090, 16352), (4672, 14315), (5110, 13088), (5726, 11680), (5840, 11452), (6544, 10220), (8176, 8180)]