19937760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{569}}^1$

素因数の和:660

約数の個数: 96

約数和(自身を含む): 63776160

約数和(自身を除く): 43838400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 73, 80, 96, 120, 146, 160, 219, 240, 292, 365, 438, 480, 569, 584, 730, 876, 1095, 1138, 1168, 1460, 1707, 1752, 2190, 2276, 2336, 2845, 2920, 3414, 3504, 4380, 4552, 5690, 5840, 6828, 7008, 8535, 8760, 9104, 11380, 11680, 13656, 17070, 17520, 18208, 22760, 27312, 34140, 35040, 41537, 45520, 54624, 68280, 83074, 91040, 124611, 136560, 166148, 207685, 249222, 273120, 332296, 415370, 498444, 623055, 664592, 830740, 996888, 1246110, 1329184, 1661480, 1993776, 2492220, 3322960, 3987552, 4984440, 6645920, 9968880, 19937760]

約数ペア:

[(1, 19937760), (2, 9968880), (3, 6645920), (4, 4984440), (5, 3987552), (6, 3322960), (8, 2492220), (10, 1993776), (12, 1661480), (15, 1329184), (16, 1246110), (20, 996888), (24, 830740), (30, 664592), (32, 623055), (40, 498444), (48, 415370), (60, 332296), (73, 273120), (80, 249222), (96, 207685), (120, 166148), (146, 136560), (160, 124611), (219, 91040), (240, 83074), (292, 68280), (365, 54624), (438, 45520), (480, 41537), (569, 35040), (584, 34140), (730, 27312), (876, 22760), (1095, 18208), (1138, 17520), (1168, 17070), (1460, 13656), (1707, 11680), (1752, 11380), (2190, 9104), (2276, 8760), (2336, 8535), (2845, 7008), (2920, 6828), (3414, 5840), (3504, 5690), (4380, 4552)]