505768960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{173}}^1\times {\mathrm{571}}^1$

素因数の和:769

約数の個数: 88

約数和(自身を含む): 1222402896

約数和(自身を除く): 716633936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 256, 320, 346, 512, 571, 640, 692, 865, 1024, 1142, 1280, 1384, 1730, 2284, 2560, 2768, 2855, 3460, 4568, 5120, 5536, 5710, 6920, 9136, 11072, 11420, 13840, 18272, 22144, 22840, 27680, 36544, 44288, 45680, 55360, 73088, 88576, 91360, 98783, 110720, 146176, 177152, 182720, 197566, 221440, 292352, 365440, 395132, 442880, 493915, 584704, 730880, 790264, 885760, 987830, 1461760, 1580528, 1975660, 2923520, 3161056, 3951320, 6322112, 7902640, 12644224, 15805280, 25288448, 31610560, 50576896, 63221120, 101153792, 126442240, 252884480, 505768960]

約数ペア:

[(1, 505768960), (2, 252884480), (4, 126442240), (5, 101153792), (8, 63221120), (10, 50576896), (16, 31610560), (20, 25288448), (32, 15805280), (40, 12644224), (64, 7902640), (80, 6322112), (128, 3951320), (160, 3161056), (173, 2923520), (256, 1975660), (320, 1580528), (346, 1461760), (512, 987830), (571, 885760), (640, 790264), (692, 730880), (865, 584704), (1024, 493915), (1142, 442880), (1280, 395132), (1384, 365440), (1730, 292352), (2284, 221440), (2560, 197566), (2768, 182720), (2855, 177152), (3460, 146176), (4568, 110720), (5120, 98783), (5536, 91360), (5710, 88576), (6920, 73088), (9136, 55360), (11072, 45680), (11420, 44288), (13840, 36544), (18272, 27680), (22144, 22840)]