31356800

素因数分解:

$2^7\times 5^2\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 79682400

約数和(自身を除く): 48325600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 160, 164, 200, 205, 239, 320, 328, 400, 410, 478, 640, 656, 800, 820, 956, 1025, 1195, 1312, 1600, 1640, 1912, 2050, 2390, 2624, 3200, 3280, 3824, 4100, 4780, 5248, 5975, 6560, 7648, 8200, 9560, 9799, 11950, 13120, 15296, 16400, 19120, 19598, 23900, 26240, 30592, 32800, 38240, 39196, 47800, 48995, 65600, 76480, 78392, 95600, 97990, 131200, 152960, 156784, 191200, 195980, 244975, 313568, 382400, 391960, 489950, 627136, 764800, 783920, 979900, 1254272, 1567840, 1959800, 3135680, 3919600, 6271360, 7839200, 15678400, 31356800]

約数ペア:

[(1, 31356800), (2, 15678400), (4, 7839200), (5, 6271360), (8, 3919600), (10, 3135680), (16, 1959800), (20, 1567840), (25, 1254272), (32, 979900), (40, 783920), (41, 764800), (50, 627136), (64, 489950), (80, 391960), (82, 382400), (100, 313568), (128, 244975), (160, 195980), (164, 191200), (200, 156784), (205, 152960), (239, 131200), (320, 97990), (328, 95600), (400, 78392), (410, 76480), (478, 65600), (640, 48995), (656, 47800), (800, 39196), (820, 38240), (956, 32800), (1025, 30592), (1195, 26240), (1312, 23900), (1600, 19598), (1640, 19120), (1912, 16400), (2050, 15296), (2390, 13120), (2624, 11950), (3200, 9799), (3280, 9560), (3824, 8200), (4100, 7648), (4780, 6560), (5248, 5975)]