639362160

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:627

約数の個数: 280

約数和(自身を含む): 2350124880

約数和(自身を除く): 1710762720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 144, 152, 162, 171, 180, 190, 216, 228, 240, 243, 270, 285, 304, 324, 342, 360, 380, 405, 432, 456, 486, 513, 540, 570, 577, 648, 684, 720, 729, 760, 810, 855, 912, 972, 1026, 1080, 1140, 1154, 1215, 1296, 1368, 1458, 1520, 1539, 1620, 1710, 1731, 1944, 2052, 2160, 2280, 2308, 2430, 2565, 2736, 2885, 2916, 3078, 3240, 3420, 3462, 3645, 3888, 4104, 4560, 4616, 4617, 4860, 5130, 5193, 5770, 5832, 6156, 6480, 6840, 6924, 7290, 7695, 8208, 8655, 9232, 9234, 9720, 10260, 10386, 10963, 11540, 11664, 12312, 13680, 13848, 13851, 14580, 15390, 15579, 17310, 18468, 19440, 20520, 20772, 21926, 23080, 23085, 24624, 25965, 27696, 27702, 29160, 30780, 31158, 32889, 34620, 36936, 41040, 41544, 43852, 46160, 46170, 46737, 51930, 54815, 55404, 58320, 61560, 62316, 65778, 69240, 69255, 73872, 77895, 83088, 87704, 92340, 93474, 98667, 103860, 109630, 110808, 123120, 124632, 131556, 138480, 138510, 140211, 155790, 164445, 175408, 184680, 186948, 197334, 207720, 219260, 221616, 233685, 249264, 263112, 277020, 280422, 296001, 311580, 328890, 369360, 373896, 394668, 415440, 420633, 438520, 467370, 493335, 526224, 554040, 560844, 592002, 623160, 657780, 701055, 747792, 789336, 841266, 877040, 888003, 934740, 986670, 1108080, 1121688, 1184004, 1246320, 1315560, 1402110, 1480005, 1578672, 1682532, 1776006, 1869480, 1973340, 2103165, 2243376, 2368008, 2631120, 2664009, 2804220, 2960010, 3365064, 3552012, 3738960, 3946680, 4206330, 4440015, 4736016, 5328018, 5608440, 5920020, 6730128, 7104024, 7893360, 7992027, 8412660, 8880030, 10656036, 11216880, 11840040, 13320045, 14208048, 15984054, 16825320, 17760060, 21312072, 23680080, 26640090, 31968108, 33650640, 35520120, 39960135, 42624144, 53280180, 63936216, 71040240, 79920270, 106560360, 127872432, 159840540, 213120720, 319681080, 639362160]

約数ペア:

[(1, 639362160), (2, 319681080), (3, 213120720), (4, 159840540), (5, 127872432), (6, 106560360), (8, 79920270), (9, 71040240), (10, 63936216), (12, 53280180), (15, 42624144), (16, 39960135), (18, 35520120), (19, 33650640), (20, 31968108), (24, 26640090), (27, 23680080), (30, 21312072), (36, 17760060), (38, 16825320), (40, 15984054), (45, 14208048), (48, 13320045), (54, 11840040), (57, 11216880), (60, 10656036), (72, 8880030), (76, 8412660), (80, 7992027), (81, 7893360), (90, 7104024), (95, 6730128), (108, 5920020), (114, 5608440), (120, 5328018), (135, 4736016), (144, 4440015), (152, 4206330), (162, 3946680), (171, 3738960), (180, 3552012), (190, 3365064), (216, 2960010), (228, 2804220), (240, 2664009), (243, 2631120), (270, 2368008), (285, 2243376), (304, 2103165), (324, 1973340), (342, 1869480), (360, 1776006), (380, 1682532), (405, 1578672), (432, 1480005), (456, 1402110), (486, 1315560), (513, 1246320), (540, 1184004), (570, 1121688), (577, 1108080), (648, 986670), (684, 934740), (720, 888003), (729, 877040), (760, 841266), (810, 789336), (855, 747792), (912, 701055), (972, 657780), (1026, 623160), (1080, 592002), (1140, 560844), (1154, 554040), (1215, 526224), (1296, 493335), (1368, 467370), (1458, 438520), (1520, 420633), (1539, 415440), (1620, 394668), (1710, 373896), (1731, 369360), (1944, 328890), (2052, 311580), (2160, 296001), (2280, 280422), (2308, 277020), (2430, 263112), (2565, 249264), (2736, 233685), (2885, 221616), (2916, 219260), (3078, 207720), (3240, 197334), (3420, 186948), (3462, 184680), (3645, 175408), (3888, 164445), (4104, 155790), (4560, 140211), (4616, 138510), (4617, 138480), (4860, 131556), (5130, 124632), (5193, 123120), (5770, 110808), (5832, 109630), (6156, 103860), (6480, 98667), (6840, 93474), (6924, 92340), (7290, 87704), (7695, 83088), (8208, 77895), (8655, 73872), (9232, 69255), (9234, 69240), (9720, 65778), (10260, 62316), (10386, 61560), (10963, 58320), (11540, 55404), (11664, 54815), (12312, 51930), (13680, 46737), (13848, 46170), (13851, 46160), (14580, 43852), (15390, 41544), (15579, 41040), (17310, 36936), (18468, 34620), (19440, 32889), (20520, 31158), (20772, 30780), (21926, 29160), (23080, 27702), (23085, 27696), (24624, 25965)]