655347240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:441

約数の個数: 256

約数和(自身を含む): 2328480000

約数和(自身を除く): 1673132760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 109, 114, 120, 135, 152, 171, 180, 190, 216, 218, 228, 270, 285, 293, 327, 342, 360, 380, 436, 456, 513, 540, 545, 570, 586, 654, 684, 760, 855, 872, 879, 981, 1026, 1080, 1090, 1140, 1172, 1308, 1368, 1465, 1635, 1710, 1758, 1962, 2052, 2071, 2180, 2280, 2344, 2565, 2616, 2637, 2930, 2943, 3270, 3420, 3516, 3924, 4104, 4142, 4360, 4395, 4905, 5130, 5274, 5567, 5860, 5886, 6213, 6540, 6840, 7032, 7848, 7911, 8284, 8790, 9810, 10260, 10355, 10548, 11134, 11720, 11772, 12426, 13080, 13185, 14715, 15822, 16568, 16701, 17580, 18639, 19620, 20520, 20710, 21096, 22268, 23544, 24852, 26370, 27835, 29430, 31065, 31644, 31937, 33402, 35160, 37278, 39240, 39555, 41420, 44536, 49704, 50103, 52740, 55670, 55917, 58860, 62130, 63288, 63874, 66804, 74556, 79110, 82840, 83505, 93195, 95811, 100206, 105480, 111340, 111834, 117720, 124260, 127748, 133608, 149112, 150309, 158220, 159685, 167010, 186390, 191622, 200412, 222680, 223668, 248520, 250515, 255496, 279585, 287433, 300618, 316440, 319370, 334020, 372780, 383244, 400824, 447336, 479055, 501030, 559170, 574866, 601236, 606803, 638740, 668040, 745560, 751545, 766488, 862299, 958110, 1002060, 1118340, 1149732, 1202472, 1213606, 1277480, 1437165, 1503090, 1724598, 1820409, 1916220, 2004120, 2236680, 2299464, 2427212, 2874330, 3006180, 3034015, 3449196, 3640818, 3832440, 4311495, 4854424, 5461227, 5748660, 6012360, 6068030, 6898392, 7281636, 8622990, 9102045, 10922454, 11497320, 12136060, 14563272, 16383681, 17245980, 18204090, 21844908, 24272120, 27306135, 32767362, 34491960, 36408180, 43689816, 54612270, 65534724, 72816360, 81918405, 109224540, 131069448, 163836810, 218449080, 327673620, 655347240]

約数ペア:

[(1, 655347240), (2, 327673620), (3, 218449080), (4, 163836810), (5, 131069448), (6, 109224540), (8, 81918405), (9, 72816360), (10, 65534724), (12, 54612270), (15, 43689816), (18, 36408180), (19, 34491960), (20, 32767362), (24, 27306135), (27, 24272120), (30, 21844908), (36, 18204090), (38, 17245980), (40, 16383681), (45, 14563272), (54, 12136060), (57, 11497320), (60, 10922454), (72, 9102045), (76, 8622990), (90, 7281636), (95, 6898392), (108, 6068030), (109, 6012360), (114, 5748660), (120, 5461227), (135, 4854424), (152, 4311495), (171, 3832440), (180, 3640818), (190, 3449196), (216, 3034015), (218, 3006180), (228, 2874330), (270, 2427212), (285, 2299464), (293, 2236680), (327, 2004120), (342, 1916220), (360, 1820409), (380, 1724598), (436, 1503090), (456, 1437165), (513, 1277480), (540, 1213606), (545, 1202472), (570, 1149732), (586, 1118340), (654, 1002060), (684, 958110), (760, 862299), (855, 766488), (872, 751545), (879, 745560), (981, 668040), (1026, 638740), (1080, 606803), (1090, 601236), (1140, 574866), (1172, 559170), (1308, 501030), (1368, 479055), (1465, 447336), (1635, 400824), (1710, 383244), (1758, 372780), (1962, 334020), (2052, 319370), (2071, 316440), (2180, 300618), (2280, 287433), (2344, 279585), (2565, 255496), (2616, 250515), (2637, 248520), (2930, 223668), (2943, 222680), (3270, 200412), (3420, 191622), (3516, 186390), (3924, 167010), (4104, 159685), (4142, 158220), (4360, 150309), (4395, 149112), (4905, 133608), (5130, 127748), (5274, 124260), (5567, 117720), (5860, 111834), (5886, 111340), (6213, 105480), (6540, 100206), (6840, 95811), (7032, 93195), (7848, 83505), (7911, 82840), (8284, 79110), (8790, 74556), (9810, 66804), (10260, 63874), (10355, 63288), (10548, 62130), (11134, 58860), (11720, 55917), (11772, 55670), (12426, 52740), (13080, 50103), (13185, 49704), (14715, 44536), (15822, 41420), (16568, 39555), (16701, 39240), (17580, 37278), (18639, 35160), (19620, 33402), (20520, 31937), (20710, 31644), (21096, 31065), (22268, 29430), (23544, 27835), (24852, 26370)]