65451520

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:751

約数の個数: 80

約数和(自身を含む): 161404848

約数和(自身を除く): 95953328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 512, 592, 640, 691, 740, 1184, 1280, 1382, 1480, 2368, 2560, 2764, 2960, 3455, 4736, 5528, 5920, 6910, 9472, 11056, 11840, 13820, 18944, 22112, 23680, 25567, 27640, 44224, 47360, 51134, 55280, 88448, 94720, 102268, 110560, 127835, 176896, 204536, 221120, 255670, 353792, 409072, 442240, 511340, 818144, 884480, 1022680, 1636288, 1768960, 2045360, 3272576, 4090720, 6545152, 8181440, 13090304, 16362880, 32725760, 65451520]

約数ペア:

[(1, 65451520), (2, 32725760), (4, 16362880), (5, 13090304), (8, 8181440), (10, 6545152), (16, 4090720), (20, 3272576), (32, 2045360), (37, 1768960), (40, 1636288), (64, 1022680), (74, 884480), (80, 818144), (128, 511340), (148, 442240), (160, 409072), (185, 353792), (256, 255670), (296, 221120), (320, 204536), (370, 176896), (512, 127835), (592, 110560), (640, 102268), (691, 94720), (740, 88448), (1184, 55280), (1280, 51134), (1382, 47360), (1480, 44224), (2368, 27640), (2560, 25567), (2764, 23680), (2960, 22112), (3455, 18944), (4736, 13820), (5528, 11840), (5920, 11056), (6910, 9472)]