81137904

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2142

約数の個数: 80

約数和(自身を含む): 225878400

約数和(自身を除く): 144740496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 43, 48, 57, 76, 86, 114, 129, 152, 172, 228, 258, 304, 344, 456, 516, 688, 817, 912, 1032, 1634, 2064, 2069, 2451, 3268, 4138, 4902, 6207, 6536, 8276, 9804, 12414, 13072, 16552, 19608, 24828, 33104, 39216, 39311, 49656, 78622, 88967, 99312, 117933, 157244, 177934, 235866, 266901, 314488, 355868, 471732, 533802, 628976, 711736, 943464, 1067604, 1423472, 1690373, 1886928, 2135208, 3380746, 4270416, 5071119, 6761492, 10142238, 13522984, 20284476, 27045968, 40568952, 81137904]

約数ペア:

[(1, 81137904), (2, 40568952), (3, 27045968), (4, 20284476), (6, 13522984), (8, 10142238), (12, 6761492), (16, 5071119), (19, 4270416), (24, 3380746), (38, 2135208), (43, 1886928), (48, 1690373), (57, 1423472), (76, 1067604), (86, 943464), (114, 711736), (129, 628976), (152, 533802), (172, 471732), (228, 355868), (258, 314488), (304, 266901), (344, 235866), (456, 177934), (516, 157244), (688, 117933), (817, 99312), (912, 88967), (1032, 78622), (1634, 49656), (2064, 39311), (2069, 39216), (2451, 33104), (3268, 24828), (4138, 19608), (4902, 16552), (6207, 13072), (6536, 12414), (8276, 9804)]