13381720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1789}}^1$

素因数の和:1828

約数の個数: 64

約数和(自身を含む): 34797600

約数和(自身を除く): 21415880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1789, 1870, 3578, 3740, 7156, 7480, 8945, 14312, 17890, 19679, 30413, 35780, 39358, 60826, 71560, 78716, 98395, 121652, 152065, 157432, 196790, 243304, 304130, 334543, 393580, 608260, 669086, 787160, 1216520, 1338172, 1672715, 2676344, 3345430, 6690860, 13381720]

約数ペア:

[(1, 13381720), (2, 6690860), (4, 3345430), (5, 2676344), (8, 1672715), (10, 1338172), (11, 1216520), (17, 787160), (20, 669086), (22, 608260), (34, 393580), (40, 334543), (44, 304130), (55, 243304), (68, 196790), (85, 157432), (88, 152065), (110, 121652), (136, 98395), (170, 78716), (187, 71560), (220, 60826), (340, 39358), (374, 35780), (440, 30413), (680, 19679), (748, 17890), (935, 14312), (1496, 8945), (1789, 7480), (1870, 7156), (3578, 3740)]