129720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:84

約数の個数: 64

約数和(自身を含む): 414720

約数和(自身を除く): 285000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 47, 60, 69, 92, 94, 115, 120, 138, 141, 184, 188, 230, 235, 276, 282, 345, 376, 460, 470, 552, 564, 690, 705, 920, 940, 1081, 1128, 1380, 1410, 1880, 2162, 2760, 2820, 3243, 4324, 5405, 5640, 6486, 8648, 10810, 12972, 16215, 21620, 25944, 32430, 43240, 64860, 129720]

約数ペア:

[(1, 129720), (2, 64860), (3, 43240), (4, 32430), (5, 25944), (6, 21620), (8, 16215), (10, 12972), (12, 10810), (15, 8648), (20, 6486), (23, 5640), (24, 5405), (30, 4324), (40, 3243), (46, 2820), (47, 2760), (60, 2162), (69, 1880), (92, 1410), (94, 1380), (115, 1128), (120, 1081), (138, 940), (141, 920), (184, 705), (188, 690), (230, 564), (235, 552), (276, 470), (282, 460), (345, 376)]