15786720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:617

約数の個数: 144

約数和(自身を含む): 56805840

約数和(自身を除く): 41019120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 577, 608, 684, 720, 760, 855, 912, 1140, 1154, 1368, 1440, 1520, 1710, 1731, 1824, 2280, 2308, 2736, 2885, 3040, 3420, 3462, 4560, 4616, 5193, 5472, 5770, 6840, 6924, 8655, 9120, 9232, 10386, 10963, 11540, 13680, 13848, 17310, 18464, 20772, 21926, 23080, 25965, 27360, 27696, 32889, 34620, 41544, 43852, 46160, 51930, 54815, 55392, 65778, 69240, 83088, 87704, 92320, 98667, 103860, 109630, 131556, 138480, 164445, 166176, 175408, 197334, 207720, 219260, 263112, 276960, 328890, 350816, 394668, 415440, 438520, 493335, 526224, 657780, 789336, 830880, 877040, 986670, 1052448, 1315560, 1578672, 1754080, 1973340, 2631120, 3157344, 3946680, 5262240, 7893360, 15786720]

約数ペア:

[(1, 15786720), (2, 7893360), (3, 5262240), (4, 3946680), (5, 3157344), (6, 2631120), (8, 1973340), (9, 1754080), (10, 1578672), (12, 1315560), (15, 1052448), (16, 986670), (18, 877040), (19, 830880), (20, 789336), (24, 657780), (30, 526224), (32, 493335), (36, 438520), (38, 415440), (40, 394668), (45, 350816), (48, 328890), (57, 276960), (60, 263112), (72, 219260), (76, 207720), (80, 197334), (90, 175408), (95, 166176), (96, 164445), (114, 138480), (120, 131556), (144, 109630), (152, 103860), (160, 98667), (171, 92320), (180, 87704), (190, 83088), (228, 69240), (240, 65778), (285, 55392), (288, 54815), (304, 51930), (342, 46160), (360, 43852), (380, 41544), (456, 34620), (480, 32889), (570, 27696), (577, 27360), (608, 25965), (684, 23080), (720, 21926), (760, 20772), (855, 18464), (912, 17310), (1140, 13848), (1154, 13680), (1368, 11540), (1440, 10963), (1520, 10386), (1710, 9232), (1731, 9120), (1824, 8655), (2280, 6924), (2308, 6840), (2736, 5770), (2885, 5472), (3040, 5193), (3420, 4616), (3462, 4560)]