1382692720

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1\times {\mathrm{389}}^1$

素因数の和:842

約数の個数: 80

約数和(自身を含む): 3255014880

約数和(自身を除く): 1872322160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 283, 314, 389, 566, 628, 778, 785, 1132, 1256, 1415, 1556, 1570, 1945, 2264, 2512, 2830, 3112, 3140, 3890, 4528, 5660, 6224, 6280, 7780, 11320, 12560, 15560, 22640, 31120, 44431, 61073, 88862, 110087, 122146, 177724, 220174, 222155, 244292, 305365, 355448, 440348, 444310, 488584, 550435, 610730, 710896, 880696, 888620, 977168, 1100870, 1221460, 1761392, 1777240, 2201740, 2442920, 3554480, 4403480, 4885840, 8806960, 17283659, 34567318, 69134636, 86418295, 138269272, 172836590, 276538544, 345673180, 691346360, 1382692720]

約数ペア:

[(1, 1382692720), (2, 691346360), (4, 345673180), (5, 276538544), (8, 172836590), (10, 138269272), (16, 86418295), (20, 69134636), (40, 34567318), (80, 17283659), (157, 8806960), (283, 4885840), (314, 4403480), (389, 3554480), (566, 2442920), (628, 2201740), (778, 1777240), (785, 1761392), (1132, 1221460), (1256, 1100870), (1415, 977168), (1556, 888620), (1570, 880696), (1945, 710896), (2264, 610730), (2512, 550435), (2830, 488584), (3112, 444310), (3140, 440348), (3890, 355448), (4528, 305365), (5660, 244292), (6224, 222155), (6280, 220174), (7780, 177724), (11320, 122146), (12560, 110087), (15560, 88862), (22640, 61073), (31120, 44431)]