12730320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17681}}^1$

素因数の和:17700

約数の個数: 60

約数和(自身を含む): 42755076

約数和(自身を除く): 30024756

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 17681, 35362, 53043, 70724, 88405, 106086, 141448, 159129, 176810, 212172, 265215, 282896, 318258, 353620, 424344, 530430, 636516, 707240, 795645, 848688, 1060860, 1273032, 1414480, 1591290, 2121720, 2546064, 3182580, 4243440, 6365160, 12730320]

約数ペア:

[(1, 12730320), (2, 6365160), (3, 4243440), (4, 3182580), (5, 2546064), (6, 2121720), (8, 1591290), (9, 1414480), (10, 1273032), (12, 1060860), (15, 848688), (16, 795645), (18, 707240), (20, 636516), (24, 530430), (30, 424344), (36, 353620), (40, 318258), (45, 282896), (48, 265215), (60, 212172), (72, 176810), (80, 159129), (90, 141448), (120, 106086), (144, 88405), (180, 70724), (240, 53043), (360, 35362), (720, 17681)]