90527920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1163}}^1$

素因数の和:1322

約数の個数: 80

約数和(自身を含む): 242484480

約数和(自身を除く): 151956560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1112, 1163, 1390, 1946, 2224, 2326, 2780, 3892, 4652, 4865, 5560, 5815, 7784, 8141, 9304, 9730, 11120, 11630, 15568, 16282, 18608, 19460, 23260, 32564, 38920, 40705, 46520, 65128, 77840, 81410, 93040, 130256, 161657, 162820, 323314, 325640, 646628, 651280, 808285, 1131599, 1293256, 1616570, 2263198, 2586512, 3233140, 4526396, 5657995, 6466280, 9052792, 11315990, 12932560, 18105584, 22631980, 45263960, 90527920]

約数ペア:

[(1, 90527920), (2, 45263960), (4, 22631980), (5, 18105584), (7, 12932560), (8, 11315990), (10, 9052792), (14, 6466280), (16, 5657995), (20, 4526396), (28, 3233140), (35, 2586512), (40, 2263198), (56, 1616570), (70, 1293256), (80, 1131599), (112, 808285), (139, 651280), (140, 646628), (278, 325640), (280, 323314), (556, 162820), (560, 161657), (695, 130256), (973, 93040), (1112, 81410), (1163, 77840), (1390, 65128), (1946, 46520), (2224, 40705), (2326, 38920), (2780, 32564), (3892, 23260), (4652, 19460), (4865, 18608), (5560, 16282), (5815, 15568), (7784, 11630), (8141, 11120), (9304, 9730)]