131282820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17789}}^1$

素因数の和:17845

約数の個数: 72

約数和(自身を含む): 407960280

約数和(自身を除く): 276677460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 17789, 35578, 53367, 71156, 88945, 106734, 160101, 177890, 213468, 266835, 320202, 355780, 533670, 640404, 729349, 800505, 1067340, 1458698, 1601010, 2188047, 2917396, 3202020, 3646745, 4376094, 6564141, 7293490, 8752188, 10940235, 13128282, 14586980, 21880470, 26256564, 32820705, 43760940, 65641410, 131282820]

約数ペア:

[(1, 131282820), (2, 65641410), (3, 43760940), (4, 32820705), (5, 26256564), (6, 21880470), (9, 14586980), (10, 13128282), (12, 10940235), (15, 8752188), (18, 7293490), (20, 6564141), (30, 4376094), (36, 3646745), (41, 3202020), (45, 2917396), (60, 2188047), (82, 1601010), (90, 1458698), (123, 1067340), (164, 800505), (180, 729349), (205, 640404), (246, 533670), (369, 355780), (410, 320202), (492, 266835), (615, 213468), (738, 177890), (820, 160101), (1230, 106734), (1476, 88945), (1845, 71156), (2460, 53367), (3690, 35578), (7380, 17789)]