81316890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{12377}}^1$

素因数の和:12463

約数の個数: 48

約数和(自身を含む): 214337448

約数和(自身を除く): 133020558

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 146, 219, 365, 438, 657, 730, 1095, 1314, 2190, 3285, 6570, 12377, 24754, 37131, 61885, 74262, 111393, 123770, 185655, 222786, 371310, 556965, 903521, 1113930, 1807042, 2710563, 4517605, 5421126, 8131689, 9035210, 13552815, 16263378, 27105630, 40658445, 81316890]

約数ペア:

[(1, 81316890), (2, 40658445), (3, 27105630), (5, 16263378), (6, 13552815), (9, 9035210), (10, 8131689), (15, 5421126), (18, 4517605), (30, 2710563), (45, 1807042), (73, 1113930), (90, 903521), (146, 556965), (219, 371310), (365, 222786), (438, 185655), (657, 123770), (730, 111393), (1095, 74262), (1314, 61885), (2190, 37131), (3285, 24754), (6570, 12377)]