68163320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 159213600

約数和(自身を除く): 91050280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 89, 164, 178, 205, 328, 356, 410, 445, 467, 712, 820, 890, 934, 1640, 1780, 1868, 2335, 3560, 3649, 3736, 4670, 7298, 9340, 14596, 18245, 18680, 19147, 29192, 36490, 38294, 41563, 72980, 76588, 83126, 95735, 145960, 153176, 166252, 191470, 207815, 332504, 382940, 415630, 765880, 831260, 1662520, 1704083, 3408166, 6816332, 8520415, 13632664, 17040830, 34081660, 68163320]

約数ペア:

[(1, 68163320), (2, 34081660), (4, 17040830), (5, 13632664), (8, 8520415), (10, 6816332), (20, 3408166), (40, 1704083), (41, 1662520), (82, 831260), (89, 765880), (164, 415630), (178, 382940), (205, 332504), (328, 207815), (356, 191470), (410, 166252), (445, 153176), (467, 145960), (712, 95735), (820, 83126), (890, 76588), (934, 72980), (1640, 41563), (1780, 38294), (1868, 36490), (2335, 29192), (3560, 19147), (3649, 18680), (3736, 18245), (4670, 14596), (7298, 9340)]