20529731880

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{129313}}^1$

素因数の和:129350

約数の個数: 240

約数和(自身を含む): 80269079220

約数和(自身を除く): 59739347340

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 840, 882, 945, 980, 1080, 1134, 1176, 1260, 1323, 1470, 1512, 1620, 1764, 1890, 1960, 2205, 2268, 2520, 2646, 2835, 2940, 3240, 3528, 3780, 3969, 4410, 4536, 5292, 5670, 5880, 6615, 7560, 7938, 8820, 10584, 11340, 13230, 15876, 17640, 19845, 22680, 26460, 31752, 39690, 52920, 79380, 129313, 158760, 258626, 387939, 517252, 646565, 775878, 905191, 1034504, 1163817, 1293130, 1551756, 1810382, 1939695, 2327634, 2586260, 2715573, 3103512, 3491451, 3620764, 3879390, 4525955, 4655268, 5172520, 5431146, 5819085, 6336337, 6982902, 7241528, 7758780, 8146719, 9051910, 9310536, 10474353, 10862292, 11638170, 12672674, 13577865, 13965804, 15517560, 16293438, 17457255, 18103820, 19009011, 20948706, 21724584, 23276340, 24440157, 25345348, 27155730, 27931608, 31681685, 32586876, 34914510, 36207640, 38018022, 40733595, 41897412, 46552680, 48880314, 50690696, 52371765, 54311460, 57027033, 63363370, 65173752, 69829020, 73320471, 76036044, 81467190, 83794824, 95045055, 97760628, 104743530, 108622920, 114054066, 122200785, 126726740, 139658040, 146640942, 152072088, 162934380, 171081099, 190090110, 195521256, 209487060, 228108132, 244401570, 253453480, 285135165, 293281884, 325868760, 342162198, 366602355, 380180220, 418974120, 456216264, 488803140, 513243297, 570270330, 586563768, 684324396, 733204710, 760360440, 855405495, 977606280, 1026486594, 1140540660, 1368648792, 1466409420, 1710810990, 2052973188, 2281081320, 2566216485, 2932818840, 3421621980, 4105946376, 5132432970, 6843243960, 10264865940, 20529731880]

約数ペア:

[(1, 20529731880), (2, 10264865940), (3, 6843243960), (4, 5132432970), (5, 4105946376), (6, 3421621980), (7, 2932818840), (8, 2566216485), (9, 2281081320), (10, 2052973188), (12, 1710810990), (14, 1466409420), (15, 1368648792), (18, 1140540660), (20, 1026486594), (21, 977606280), (24, 855405495), (27, 760360440), (28, 733204710), (30, 684324396), (35, 586563768), (36, 570270330), (40, 513243297), (42, 488803140), (45, 456216264), (49, 418974120), (54, 380180220), (56, 366602355), (60, 342162198), (63, 325868760), (70, 293281884), (72, 285135165), (81, 253453480), (84, 244401570), (90, 228108132), (98, 209487060), (105, 195521256), (108, 190090110), (120, 171081099), (126, 162934380), (135, 152072088), (140, 146640942), (147, 139658040), (162, 126726740), (168, 122200785), (180, 114054066), (189, 108622920), (196, 104743530), (210, 97760628), (216, 95045055), (245, 83794824), (252, 81467190), (270, 76036044), (280, 73320471), (294, 69829020), (315, 65173752), (324, 63363370), (360, 57027033), (378, 54311460), (392, 52371765), (405, 50690696), (420, 48880314), (441, 46552680), (490, 41897412), (504, 40733595), (540, 38018022), (567, 36207640), (588, 34914510), (630, 32586876), (648, 31681685), (735, 27931608), (756, 27155730), (810, 25345348), (840, 24440157), (882, 23276340), (945, 21724584), (980, 20948706), (1080, 19009011), (1134, 18103820), (1176, 17457255), (1260, 16293438), (1323, 15517560), (1470, 13965804), (1512, 13577865), (1620, 12672674), (1764, 11638170), (1890, 10862292), (1960, 10474353), (2205, 9310536), (2268, 9051910), (2520, 8146719), (2646, 7758780), (2835, 7241528), (2940, 6982902), (3240, 6336337), (3528, 5819085), (3780, 5431146), (3969, 5172520), (4410, 4655268), (4536, 4525955), (5292, 3879390), (5670, 3620764), (5880, 3491451), (6615, 3103512), (7560, 2715573), (7938, 2586260), (8820, 2327634), (10584, 1939695), (11340, 1810382), (13230, 1551756), (15876, 1293130), (17640, 1163817), (19845, 1034504), (22680, 905191), (26460, 775878), (31752, 646565), (39690, 517252), (52920, 387939), (79380, 258626), (129313, 158760)]