16340720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:654

約数の個数: 80

約数和(自身を含む): 42854400

約数和(自身を除く): 26513680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 599, 620, 682, 880, 1198, 1240, 1364, 1705, 2396, 2480, 2728, 2995, 3410, 4792, 5456, 5990, 6589, 6820, 9584, 11980, 13178, 13640, 18569, 23960, 26356, 27280, 32945, 37138, 47920, 52712, 65890, 74276, 92845, 105424, 131780, 148552, 185690, 204259, 263560, 297104, 371380, 408518, 527120, 742760, 817036, 1021295, 1485520, 1634072, 2042590, 3268144, 4085180, 8170360, 16340720]

約数ペア:

[(1, 16340720), (2, 8170360), (4, 4085180), (5, 3268144), (8, 2042590), (10, 1634072), (11, 1485520), (16, 1021295), (20, 817036), (22, 742760), (31, 527120), (40, 408518), (44, 371380), (55, 297104), (62, 263560), (80, 204259), (88, 185690), (110, 148552), (124, 131780), (155, 105424), (176, 92845), (220, 74276), (248, 65890), (310, 52712), (341, 47920), (440, 37138), (496, 32945), (599, 27280), (620, 26356), (682, 23960), (880, 18569), (1198, 13640), (1240, 13178), (1364, 11980), (1705, 9584), (2396, 6820), (2480, 6589), (2728, 5990), (2995, 5456), (3410, 4792)]