917320960

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31159}}^1$

素因数の和:31203

約数の個数: 72

約数和(自身を含む): 2292877440

約数和(自身を除く): 1375556480

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, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 7360, 14720, 29440, 31159, 62318, 124636, 155795, 249272, 311590, 498544, 623180, 716657, 997088, 1246360, 1433314, 1994176, 2492720, 2866628, 3583285, 3988352, 4985440, 5733256, 7166570, 7976704, 9970880, 11466512, 14333140, 19941760, 22933024, 28666280, 39883520, 45866048, 57332560, 91732096, 114665120, 183464192, 229330240, 458660480, 917320960]

約数ペア:

[(1, 917320960), (2, 458660480), (4, 229330240), (5, 183464192), (8, 114665120), (10, 91732096), (16, 57332560), (20, 45866048), (23, 39883520), (32, 28666280), (40, 22933024), (46, 19941760), (64, 14333140), (80, 11466512), (92, 9970880), (115, 7976704), (128, 7166570), (160, 5733256), (184, 4985440), (230, 3988352), (256, 3583285), (320, 2866628), (368, 2492720), (460, 1994176), (640, 1433314), (736, 1246360), (920, 997088), (1280, 716657), (1472, 623180), (1840, 498544), (2944, 311590), (3680, 249272), (5888, 155795), (7360, 124636), (14720, 62318), (29440, 31159)]