19920240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:471

約数の個数: 120

約数和(自身を含む): 67994160

約数和(自身を除く): 48073920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 180, 219, 240, 292, 360, 365, 379, 438, 584, 657, 720, 730, 758, 876, 1095, 1137, 1168, 1314, 1460, 1516, 1752, 1895, 2190, 2274, 2628, 2920, 3032, 3285, 3411, 3504, 3790, 4380, 4548, 5256, 5685, 5840, 6064, 6570, 6822, 7580, 8760, 9096, 10512, 11370, 13140, 13644, 15160, 17055, 17520, 18192, 22740, 26280, 27288, 27667, 30320, 34110, 45480, 52560, 54576, 55334, 68220, 83001, 90960, 110668, 136440, 138335, 166002, 221336, 249003, 272880, 276670, 332004, 415005, 442672, 498006, 553340, 664008, 830010, 996012, 1106680, 1245015, 1328016, 1660020, 1992024, 2213360, 2490030, 3320040, 3984048, 4980060, 6640080, 9960120, 19920240]

約数ペア:

[(1, 19920240), (2, 9960120), (3, 6640080), (4, 4980060), (5, 3984048), (6, 3320040), (8, 2490030), (9, 2213360), (10, 1992024), (12, 1660020), (15, 1328016), (16, 1245015), (18, 1106680), (20, 996012), (24, 830010), (30, 664008), (36, 553340), (40, 498006), (45, 442672), (48, 415005), (60, 332004), (72, 276670), (73, 272880), (80, 249003), (90, 221336), (120, 166002), (144, 138335), (146, 136440), (180, 110668), (219, 90960), (240, 83001), (292, 68220), (360, 55334), (365, 54576), (379, 52560), (438, 45480), (584, 34110), (657, 30320), (720, 27667), (730, 27288), (758, 26280), (876, 22740), (1095, 18192), (1137, 17520), (1168, 17055), (1314, 15160), (1460, 13644), (1516, 13140), (1752, 11370), (1895, 10512), (2190, 9096), (2274, 8760), (2628, 7580), (2920, 6822), (3032, 6570), (3285, 6064), (3411, 5840), (3504, 5685), (3790, 5256), (4380, 4548)]