1961561140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 288

約数和(自身を含む): 5628389760

約数和(自身を除く): 3666828620

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 61, 70, 76, 77, 95, 98, 110, 122, 133, 140, 154, 157, 190, 196, 209, 220, 244, 245, 266, 305, 308, 314, 380, 385, 418, 427, 490, 532, 539, 610, 628, 665, 671, 770, 785, 836, 854, 931, 980, 1045, 1078, 1099, 1159, 1220, 1330, 1342, 1463, 1540, 1570, 1708, 1727, 1862, 2090, 2135, 2156, 2198, 2318, 2660, 2684, 2695, 2926, 2983, 2989, 3140, 3355, 3454, 3724, 4180, 4270, 4396, 4636, 4655, 4697, 5390, 5495, 5795, 5852, 5966, 5978, 6710, 6908, 7315, 7693, 8113, 8540, 8635, 9310, 9394, 9577, 10241, 10780, 10990, 11590, 11932, 11956, 12089, 12749, 13420, 14630, 14915, 14945, 15386, 16226, 17270, 18620, 18788, 19154, 20482, 20881, 21980, 23180, 23485, 24178, 25498, 29260, 29830, 29890, 30772, 32452, 32813, 32879, 34540, 38308, 38465, 40565, 40964, 41762, 46970, 47885, 48356, 50996, 51205, 56791, 59660, 59780, 60445, 63745, 65626, 65758, 67039, 76930, 81130, 83524, 84623, 89243, 93940, 95770, 102410, 104405, 105347, 113582, 120890, 127490, 131252, 131516, 134078, 146167, 153860, 162260, 164065, 164395, 169246, 178486, 181963, 191540, 204820, 208810, 210694, 227164, 229691, 241780, 254980, 268156, 283955, 292334, 328130, 328790, 335195, 338492, 356972, 363926, 417620, 421388, 423115, 446215, 459382, 469273, 526735, 567910, 584668, 624701, 656260, 657580, 670390, 727852, 730835, 737429, 846230, 892430, 909815, 918764, 938546, 1053470, 1135820, 1148455, 1249402, 1273741, 1340780, 1461670, 1474858, 1607837, 1692460, 1784860, 1819630, 1877092, 2001593, 2106940, 2296910, 2346365, 2498804, 2547482, 2923340, 2949716, 3123505, 3215674, 3639260, 3687145, 4003186, 4593820, 4692730, 5094964, 5162003, 6247010, 6368705, 6431348, 7374290, 8006372, 8039185, 8916187, 9385460, 10007965, 10324006, 12494020, 12737410, 14011151, 14748580, 16078370, 17832374, 20015930, 20648012, 25474820, 25810015, 28022302, 32156740, 35664748, 40031860, 44580935, 51620030, 56044604, 70055755, 89161870, 98078057, 103240060, 140111510, 178323740, 196156114, 280223020, 392312228, 490390285, 980780570, 1961561140]

約数ペア:

[(1, 1961561140), (2, 980780570), (4, 490390285), (5, 392312228), (7, 280223020), (10, 196156114), (11, 178323740), (14, 140111510), (19, 103240060), (20, 98078057), (22, 89161870), (28, 70055755), (35, 56044604), (38, 51620030), (44, 44580935), (49, 40031860), (55, 35664748), (61, 32156740), (70, 28022302), (76, 25810015), (77, 25474820), (95, 20648012), (98, 20015930), (110, 17832374), (122, 16078370), (133, 14748580), (140, 14011151), (154, 12737410), (157, 12494020), (190, 10324006), (196, 10007965), (209, 9385460), (220, 8916187), (244, 8039185), (245, 8006372), (266, 7374290), (305, 6431348), (308, 6368705), (314, 6247010), (380, 5162003), (385, 5094964), (418, 4692730), (427, 4593820), (490, 4003186), (532, 3687145), (539, 3639260), (610, 3215674), (628, 3123505), (665, 2949716), (671, 2923340), (770, 2547482), (785, 2498804), (836, 2346365), (854, 2296910), (931, 2106940), (980, 2001593), (1045, 1877092), (1078, 1819630), (1099, 1784860), (1159, 1692460), (1220, 1607837), (1330, 1474858), (1342, 1461670), (1463, 1340780), (1540, 1273741), (1570, 1249402), (1708, 1148455), (1727, 1135820), (1862, 1053470), (2090, 938546), (2135, 918764), (2156, 909815), (2198, 892430), (2318, 846230), (2660, 737429), (2684, 730835), (2695, 727852), (2926, 670390), (2983, 657580), (2989, 656260), (3140, 624701), (3355, 584668), (3454, 567910), (3724, 526735), (4180, 469273), (4270, 459382), (4396, 446215), (4636, 423115), (4655, 421388), (4697, 417620), (5390, 363926), (5495, 356972), (5795, 338492), (5852, 335195), (5966, 328790), (5978, 328130), (6710, 292334), (6908, 283955), (7315, 268156), (7693, 254980), (8113, 241780), (8540, 229691), (8635, 227164), (9310, 210694), (9394, 208810), (9577, 204820), (10241, 191540), (10780, 181963), (10990, 178486), (11590, 169246), (11932, 164395), (11956, 164065), (12089, 162260), (12749, 153860), (13420, 146167), (14630, 134078), (14915, 131516), (14945, 131252), (15386, 127490), (16226, 120890), (17270, 113582), (18620, 105347), (18788, 104405), (19154, 102410), (20482, 95770), (20881, 93940), (21980, 89243), (23180, 84623), (23485, 83524), (24178, 81130), (25498, 76930), (29260, 67039), (29830, 65758), (29890, 65626), (30772, 63745), (32452, 60445), (32813, 59780), (32879, 59660), (34540, 56791), (38308, 51205), (38465, 50996), (40565, 48356), (40964, 47885), (41762, 46970)]