128225148

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^2$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 323003520

約数和(自身を除く): 194778372

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 89, 114, 142, 178, 213, 228, 267, 284, 356, 426, 534, 852, 1068, 1349, 1691, 2698, 3382, 4047, 5073, 5396, 6319, 6764, 7921, 8094, 10146, 12638, 15842, 16188, 18957, 20292, 23763, 25276, 31684, 37914, 47526, 75828, 95052, 120061, 150499, 240122, 300998, 360183, 451497, 480244, 562391, 601996, 720366, 902994, 1124782, 1440732, 1687173, 1805988, 2249564, 3374346, 6748692, 10685429, 21370858, 32056287, 42741716, 64112574, 128225148]

約数ペア:

[(1, 128225148), (2, 64112574), (3, 42741716), (4, 32056287), (6, 21370858), (12, 10685429), (19, 6748692), (38, 3374346), (57, 2249564), (71, 1805988), (76, 1687173), (89, 1440732), (114, 1124782), (142, 902994), (178, 720366), (213, 601996), (228, 562391), (267, 480244), (284, 451497), (356, 360183), (426, 300998), (534, 240122), (852, 150499), (1068, 120061), (1349, 95052), (1691, 75828), (2698, 47526), (3382, 37914), (4047, 31684), (5073, 25276), (5396, 23763), (6319, 20292), (6764, 18957), (7921, 16188), (8094, 15842), (10146, 12638)]