64579920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6563}}^1$

素因数の和:6620

約数の個数: 80

約数和(自身を含む): 205111872

約数和(自身を除く): 140531952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 6563, 9840, 13126, 19689, 26252, 32815, 39378, 52504, 65630, 78756, 98445, 105008, 131260, 157512, 196890, 262520, 269083, 315024, 393780, 525040, 538166, 787560, 807249, 1076332, 1345415, 1575120, 1614498, 2152664, 2690830, 3228996, 4036245, 4305328, 5381660, 6457992, 8072490, 10763320, 12915984, 16144980, 21526640, 32289960, 64579920]

約数ペア:

[(1, 64579920), (2, 32289960), (3, 21526640), (4, 16144980), (5, 12915984), (6, 10763320), (8, 8072490), (10, 6457992), (12, 5381660), (15, 4305328), (16, 4036245), (20, 3228996), (24, 2690830), (30, 2152664), (40, 1614498), (41, 1575120), (48, 1345415), (60, 1076332), (80, 807249), (82, 787560), (120, 538166), (123, 525040), (164, 393780), (205, 315024), (240, 269083), (246, 262520), (328, 196890), (410, 157512), (492, 131260), (615, 105008), (656, 98445), (820, 78756), (984, 65630), (1230, 52504), (1640, 39378), (1968, 32815), (2460, 26252), (3280, 19689), (4920, 13126), (6563, 9840)]