12978480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3181}}^1$

素因数の和:3214

約数の個数: 80

約数和(自身を含む): 42613344

約数和(自身を除く): 29634864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 3181, 4080, 6362, 9543, 12724, 15905, 19086, 25448, 31810, 38172, 47715, 50896, 54077, 63620, 76344, 95430, 108154, 127240, 152688, 162231, 190860, 216308, 254480, 270385, 324462, 381720, 432616, 540770, 648924, 763440, 811155, 865232, 1081540, 1297848, 1622310, 2163080, 2595696, 3244620, 4326160, 6489240, 12978480]

約数ペア:

[(1, 12978480), (2, 6489240), (3, 4326160), (4, 3244620), (5, 2595696), (6, 2163080), (8, 1622310), (10, 1297848), (12, 1081540), (15, 865232), (16, 811155), (17, 763440), (20, 648924), (24, 540770), (30, 432616), (34, 381720), (40, 324462), (48, 270385), (51, 254480), (60, 216308), (68, 190860), (80, 162231), (85, 152688), (102, 127240), (120, 108154), (136, 95430), (170, 76344), (204, 63620), (240, 54077), (255, 50896), (272, 47715), (340, 38172), (408, 31810), (510, 25448), (680, 19086), (816, 15905), (1020, 12724), (1360, 9543), (2040, 6362), (3181, 4080)]