820035320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:202

約数の個数: 192

約数和(自身を含む): 2134512000

約数和(自身を除く): 1314476680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 47, 52, 58, 65, 89, 94, 104, 116, 130, 145, 169, 178, 188, 232, 235, 260, 290, 338, 356, 376, 377, 445, 470, 520, 580, 611, 676, 712, 754, 845, 890, 940, 1157, 1160, 1222, 1352, 1363, 1508, 1690, 1780, 1880, 1885, 2314, 2444, 2581, 2726, 3016, 3055, 3380, 3560, 3770, 4183, 4628, 4888, 4901, 5162, 5452, 5785, 6110, 6760, 6815, 7540, 7943, 8366, 9256, 9802, 10324, 10904, 11570, 12220, 12905, 13630, 15041, 15080, 15886, 16732, 17719, 19604, 20648, 20915, 23140, 24440, 24505, 25810, 27260, 30082, 31772, 33464, 33553, 35438, 39208, 39715, 41830, 46280, 49010, 51620, 54379, 54520, 60164, 63544, 67106, 70876, 75205, 79430, 83660, 88595, 98020, 103240, 108758, 120328, 121307, 134212, 141752, 150410, 158860, 167320, 167765, 177190, 196040, 217516, 230347, 242614, 268424, 271895, 300820, 317720, 335530, 354380, 435032, 436189, 460694, 485228, 543790, 601640, 606535, 671060, 706927, 708760, 872378, 921388, 970456, 1087580, 1151735, 1213070, 1342120, 1413854, 1576991, 1744756, 1842776, 2175160, 2180945, 2303470, 2426140, 2827708, 3153982, 3489512, 3534635, 4361890, 4606940, 4852280, 5655416, 6307964, 7069270, 7884955, 8723780, 9213880, 12615928, 14138540, 15769910, 17447560, 20500883, 28277080, 31539820, 41001766, 63079640, 82003532, 102504415, 164007064, 205008830, 410017660, 820035320]

約数ペア:

[(1, 820035320), (2, 410017660), (4, 205008830), (5, 164007064), (8, 102504415), (10, 82003532), (13, 63079640), (20, 41001766), (26, 31539820), (29, 28277080), (40, 20500883), (47, 17447560), (52, 15769910), (58, 14138540), (65, 12615928), (89, 9213880), (94, 8723780), (104, 7884955), (116, 7069270), (130, 6307964), (145, 5655416), (169, 4852280), (178, 4606940), (188, 4361890), (232, 3534635), (235, 3489512), (260, 3153982), (290, 2827708), (338, 2426140), (356, 2303470), (376, 2180945), (377, 2175160), (445, 1842776), (470, 1744756), (520, 1576991), (580, 1413854), (611, 1342120), (676, 1213070), (712, 1151735), (754, 1087580), (845, 970456), (890, 921388), (940, 872378), (1157, 708760), (1160, 706927), (1222, 671060), (1352, 606535), (1363, 601640), (1508, 543790), (1690, 485228), (1780, 460694), (1880, 436189), (1885, 435032), (2314, 354380), (2444, 335530), (2581, 317720), (2726, 300820), (3016, 271895), (3055, 268424), (3380, 242614), (3560, 230347), (3770, 217516), (4183, 196040), (4628, 177190), (4888, 167765), (4901, 167320), (5162, 158860), (5452, 150410), (5785, 141752), (6110, 134212), (6760, 121307), (6815, 120328), (7540, 108758), (7943, 103240), (8366, 98020), (9256, 88595), (9802, 83660), (10324, 79430), (10904, 75205), (11570, 70876), (12220, 67106), (12905, 63544), (13630, 60164), (15041, 54520), (15080, 54379), (15886, 51620), (16732, 49010), (17719, 46280), (19604, 41830), (20648, 39715), (20915, 39208), (23140, 35438), (24440, 33553), (24505, 33464), (25810, 31772), (27260, 30082)]