81963510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1801}}^1$

素因数の和:1889

約数の個数: 64

約数和(自身を含む): 207071424

約数和(自身を除く): 125107914

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 41, 74, 82, 111, 123, 185, 205, 222, 246, 370, 410, 555, 615, 1110, 1230, 1517, 1801, 3034, 3602, 4551, 5403, 7585, 9005, 9102, 10806, 15170, 18010, 22755, 27015, 45510, 54030, 66637, 73841, 133274, 147682, 199911, 221523, 333185, 369205, 399822, 443046, 666370, 738410, 999555, 1107615, 1999110, 2215230, 2732117, 5464234, 8196351, 13660585, 16392702, 27321170, 40981755, 81963510]

約数ペア:

[(1, 81963510), (2, 40981755), (3, 27321170), (5, 16392702), (6, 13660585), (10, 8196351), (15, 5464234), (30, 2732117), (37, 2215230), (41, 1999110), (74, 1107615), (82, 999555), (111, 738410), (123, 666370), (185, 443046), (205, 399822), (222, 369205), (246, 333185), (370, 221523), (410, 199911), (555, 147682), (615, 133274), (1110, 73841), (1230, 66637), (1517, 54030), (1801, 45510), (3034, 27015), (3602, 22755), (4551, 18010), (5403, 15170), (7585, 10806), (9005, 9102)]