71896440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:314

約数の個数: 256

約数和(自身を含む): 278691840

約数和(自身を除く): 206795400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 31, 33, 35, 40, 42, 44, 55, 56, 60, 62, 66, 70, 77, 84, 88, 93, 105, 110, 120, 124, 132, 140, 154, 155, 165, 168, 186, 210, 217, 220, 231, 248, 251, 264, 280, 308, 310, 330, 341, 372, 385, 420, 434, 440, 462, 465, 502, 616, 620, 651, 660, 682, 744, 753, 770, 840, 868, 924, 930, 1004, 1023, 1085, 1155, 1240, 1255, 1302, 1320, 1364, 1506, 1540, 1705, 1736, 1757, 1848, 1860, 2008, 2046, 2170, 2310, 2387, 2510, 2604, 2728, 2761, 3012, 3080, 3255, 3410, 3514, 3720, 3765, 4092, 4340, 4620, 4774, 5020, 5115, 5208, 5271, 5522, 6024, 6510, 6820, 7028, 7161, 7530, 7781, 8184, 8283, 8680, 8785, 9240, 9548, 10040, 10230, 10542, 11044, 11935, 13020, 13640, 13805, 14056, 14322, 15060, 15562, 16566, 17570, 19096, 19327, 20460, 21084, 22088, 23343, 23870, 26040, 26355, 27610, 28644, 30120, 31124, 33132, 35140, 35805, 38654, 38905, 40920, 41415, 42168, 46686, 47740, 52710, 54467, 55220, 57288, 57981, 62248, 66264, 70280, 71610, 77308, 77810, 82830, 85591, 93372, 95480, 96635, 105420, 108934, 110440, 115962, 116715, 143220, 154616, 155620, 163401, 165660, 171182, 186744, 193270, 210840, 217868, 231924, 233430, 256773, 272335, 286440, 289905, 311240, 326802, 331320, 342364, 386540, 427955, 435736, 463848, 466860, 513546, 544670, 579810, 599137, 653604, 684728, 773080, 817005, 855910, 933720, 1027092, 1089340, 1159620, 1198274, 1283865, 1307208, 1634010, 1711820, 1797411, 2054184, 2178680, 2319240, 2396548, 2567730, 2995685, 3268020, 3423640, 3594822, 4793096, 5135460, 5991370, 6536040, 7189644, 8987055, 10270920, 11982740, 14379288, 17974110, 23965480, 35948220, 71896440]

約数ペア:

[(1, 71896440), (2, 35948220), (3, 23965480), (4, 17974110), (5, 14379288), (6, 11982740), (7, 10270920), (8, 8987055), (10, 7189644), (11, 6536040), (12, 5991370), (14, 5135460), (15, 4793096), (20, 3594822), (21, 3423640), (22, 3268020), (24, 2995685), (28, 2567730), (30, 2396548), (31, 2319240), (33, 2178680), (35, 2054184), (40, 1797411), (42, 1711820), (44, 1634010), (55, 1307208), (56, 1283865), (60, 1198274), (62, 1159620), (66, 1089340), (70, 1027092), (77, 933720), (84, 855910), (88, 817005), (93, 773080), (105, 684728), (110, 653604), (120, 599137), (124, 579810), (132, 544670), (140, 513546), (154, 466860), (155, 463848), (165, 435736), (168, 427955), (186, 386540), (210, 342364), (217, 331320), (220, 326802), (231, 311240), (248, 289905), (251, 286440), (264, 272335), (280, 256773), (308, 233430), (310, 231924), (330, 217868), (341, 210840), (372, 193270), (385, 186744), (420, 171182), (434, 165660), (440, 163401), (462, 155620), (465, 154616), (502, 143220), (616, 116715), (620, 115962), (651, 110440), (660, 108934), (682, 105420), (744, 96635), (753, 95480), (770, 93372), (840, 85591), (868, 82830), (924, 77810), (930, 77308), (1004, 71610), (1023, 70280), (1085, 66264), (1155, 62248), (1240, 57981), (1255, 57288), (1302, 55220), (1320, 54467), (1364, 52710), (1506, 47740), (1540, 46686), (1705, 42168), (1736, 41415), (1757, 40920), (1848, 38905), (1860, 38654), (2008, 35805), (2046, 35140), (2170, 33132), (2310, 31124), (2387, 30120), (2510, 28644), (2604, 27610), (2728, 26355), (2761, 26040), (3012, 23870), (3080, 23343), (3255, 22088), (3410, 21084), (3514, 20460), (3720, 19327), (3765, 19096), (4092, 17570), (4340, 16566), (4620, 15562), (4774, 15060), (5020, 14322), (5115, 14056), (5208, 13805), (5271, 13640), (5522, 13020), (6024, 11935), (6510, 11044), (6820, 10542), (7028, 10230), (7161, 10040), (7530, 9548), (7781, 9240), (8184, 8785), (8283, 8680)]