189440640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:624

約数の個数: 256

約数和(自身を含む): 707472000

約数和(自身を除く): 518031360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 577, 608, 640, 684, 720, 760, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1154, 1216, 1368, 1440, 1520, 1710, 1728, 1731, 1824, 1920, 2052, 2160, 2280, 2308, 2432, 2565, 2736, 2880, 2885, 3040, 3420, 3456, 3462, 3648, 4104, 4320, 4560, 4616, 5130, 5193, 5472, 5760, 5770, 6080, 6840, 6924, 7296, 8208, 8640, 8655, 9120, 9232, 10260, 10386, 10944, 10963, 11540, 12160, 13680, 13848, 15579, 16416, 17280, 17310, 18240, 18464, 20520, 20772, 21888, 21926, 23080, 25965, 27360, 27696, 31158, 32832, 32889, 34620, 36480, 36928, 41040, 41544, 43852, 46160, 51930, 54720, 54815, 55392, 62316, 65664, 65778, 69240, 73856, 77895, 82080, 83088, 87704, 92320, 98667, 103860, 109440, 109630, 110784, 124632, 131556, 138480, 155790, 164160, 164445, 166176, 175408, 184640, 197334, 207720, 219260, 221568, 249264, 263112, 276960, 296001, 311580, 328320, 328890, 332352, 350816, 369280, 394668, 415440, 438520, 493335, 498528, 526224, 553920, 592002, 623160, 657780, 664704, 701632, 789336, 830880, 877040, 986670, 997056, 1052448, 1107840, 1184004, 1246320, 1315560, 1403264, 1480005, 1578672, 1661760, 1754080, 1973340, 1994112, 2104896, 2368008, 2492640, 2631120, 2960010, 3157344, 3323520, 3508160, 3946680, 4209792, 4736016, 4985280, 5262240, 5920020, 6314688, 7016320, 7893360, 9472032, 9970560, 10524480, 11840040, 12629376, 15786720, 18944064, 21048960, 23680080, 31573440, 37888128, 47360160, 63146880, 94720320, 189440640]

約数ペア:

[(1, 189440640), (2, 94720320), (3, 63146880), (4, 47360160), (5, 37888128), (6, 31573440), (8, 23680080), (9, 21048960), (10, 18944064), (12, 15786720), (15, 12629376), (16, 11840040), (18, 10524480), (19, 9970560), (20, 9472032), (24, 7893360), (27, 7016320), (30, 6314688), (32, 5920020), (36, 5262240), (38, 4985280), (40, 4736016), (45, 4209792), (48, 3946680), (54, 3508160), (57, 3323520), (60, 3157344), (64, 2960010), (72, 2631120), (76, 2492640), (80, 2368008), (90, 2104896), (95, 1994112), (96, 1973340), (108, 1754080), (114, 1661760), (120, 1578672), (128, 1480005), (135, 1403264), (144, 1315560), (152, 1246320), (160, 1184004), (171, 1107840), (180, 1052448), (190, 997056), (192, 986670), (216, 877040), (228, 830880), (240, 789336), (270, 701632), (285, 664704), (288, 657780), (304, 623160), (320, 592002), (342, 553920), (360, 526224), (380, 498528), (384, 493335), (432, 438520), (456, 415440), (480, 394668), (513, 369280), (540, 350816), (570, 332352), (576, 328890), (577, 328320), (608, 311580), (640, 296001), (684, 276960), (720, 263112), (760, 249264), (855, 221568), (864, 219260), (912, 207720), (960, 197334), (1026, 184640), (1080, 175408), (1140, 166176), (1152, 164445), (1154, 164160), (1216, 155790), (1368, 138480), (1440, 131556), (1520, 124632), (1710, 110784), (1728, 109630), (1731, 109440), (1824, 103860), (1920, 98667), (2052, 92320), (2160, 87704), (2280, 83088), (2308, 82080), (2432, 77895), (2565, 73856), (2736, 69240), (2880, 65778), (2885, 65664), (3040, 62316), (3420, 55392), (3456, 54815), (3462, 54720), (3648, 51930), (4104, 46160), (4320, 43852), (4560, 41544), (4616, 41040), (5130, 36928), (5193, 36480), (5472, 34620), (5760, 32889), (5770, 32832), (6080, 31158), (6840, 27696), (6924, 27360), (7296, 25965), (8208, 23080), (8640, 21926), (8655, 21888), (9120, 20772), (9232, 20520), (10260, 18464), (10386, 18240), (10944, 17310), (10963, 17280), (11540, 16416), (12160, 15579), (13680, 13848)]