672648520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{5179}}^1$

素因数の和:5398

約数の個数: 64

約数和(自身を含む): 1611187200

約数和(自身を除く): 938538680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 191, 340, 382, 680, 764, 955, 1528, 1910, 3247, 3820, 5179, 6494, 7640, 10358, 12988, 16235, 20716, 25895, 25976, 32470, 41432, 51790, 64940, 88043, 103580, 129880, 176086, 207160, 352172, 440215, 704344, 880430, 989189, 1760860, 1978378, 3521720, 3956756, 4945945, 7913512, 9891890, 16816213, 19783780, 33632426, 39567560, 67264852, 84081065, 134529704, 168162130, 336324260, 672648520]

約数ペア:

[(1, 672648520), (2, 336324260), (4, 168162130), (5, 134529704), (8, 84081065), (10, 67264852), (17, 39567560), (20, 33632426), (34, 19783780), (40, 16816213), (68, 9891890), (85, 7913512), (136, 4945945), (170, 3956756), (191, 3521720), (340, 1978378), (382, 1760860), (680, 989189), (764, 880430), (955, 704344), (1528, 440215), (1910, 352172), (3247, 207160), (3820, 176086), (5179, 129880), (6494, 103580), (7640, 88043), (10358, 64940), (12988, 51790), (16235, 41432), (20716, 32470), (25895, 25976)]