68802720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{20477}}^1$

素因数の和:20502

約数の個数: 96

約数和(自身を含む): 247701888

約数和(自身を除く): 178899168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 20477, 40954, 61431, 81908, 102385, 122862, 143339, 163816, 204770, 245724, 286678, 307155, 327632, 409540, 430017, 491448, 573356, 614310, 655264, 716695, 819080, 860034, 982896, 1146712, 1228620, 1433390, 1638160, 1720068, 1965792, 2150085, 2293424, 2457240, 2866780, 3276320, 3440136, 4300170, 4586848, 4914480, 5733560, 6880272, 8600340, 9828960, 11467120, 13760544, 17200680, 22934240, 34401360, 68802720]

約数ペア:

[(1, 68802720), (2, 34401360), (3, 22934240), (4, 17200680), (5, 13760544), (6, 11467120), (7, 9828960), (8, 8600340), (10, 6880272), (12, 5733560), (14, 4914480), (15, 4586848), (16, 4300170), (20, 3440136), (21, 3276320), (24, 2866780), (28, 2457240), (30, 2293424), (32, 2150085), (35, 1965792), (40, 1720068), (42, 1638160), (48, 1433390), (56, 1228620), (60, 1146712), (70, 982896), (80, 860034), (84, 819080), (96, 716695), (105, 655264), (112, 614310), (120, 573356), (140, 491448), (160, 430017), (168, 409540), (210, 327632), (224, 307155), (240, 286678), (280, 245724), (336, 204770), (420, 163816), (480, 143339), (560, 122862), (672, 102385), (840, 81908), (1120, 61431), (1680, 40954), (3360, 20477)]