80521620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 257402880

約数和(自身を除く): 176881260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 30, 37, 38, 46, 57, 60, 69, 74, 76, 83, 92, 95, 111, 114, 115, 138, 148, 166, 185, 190, 222, 228, 230, 249, 276, 285, 332, 345, 370, 380, 415, 437, 444, 460, 498, 555, 570, 690, 703, 740, 830, 851, 874, 996, 1110, 1140, 1245, 1311, 1380, 1406, 1577, 1660, 1702, 1748, 1909, 2109, 2185, 2220, 2490, 2553, 2622, 2812, 3071, 3154, 3404, 3515, 3818, 4218, 4255, 4370, 4731, 4980, 5106, 5244, 5727, 6142, 6308, 6555, 7030, 7636, 7885, 8436, 8510, 8740, 9213, 9462, 9545, 10212, 10545, 11454, 12284, 12765, 13110, 14060, 15355, 15770, 16169, 17020, 18426, 18924, 19090, 21090, 22908, 23655, 25530, 26220, 28635, 30710, 31540, 32338, 36271, 36852, 38180, 42180, 46065, 47310, 48507, 51060, 57270, 58349, 61420, 64676, 70633, 72542, 80845, 92130, 94620, 97014, 108813, 114540, 116698, 141266, 145084, 161690, 175047, 181355, 184260, 194028, 211899, 217626, 233396, 242535, 282532, 291745, 323380, 350094, 353165, 362710, 423798, 435252, 485070, 544065, 583490, 700188, 706330, 725420, 847596, 875235, 970140, 1059495, 1088130, 1166980, 1342027, 1412660, 1750470, 2118990, 2176260, 2684054, 3500940, 4026081, 4237980, 5368108, 6710135, 8052162, 13420270, 16104324, 20130405, 26840540, 40260810, 80521620]

約数ペア:

[(1, 80521620), (2, 40260810), (3, 26840540), (4, 20130405), (5, 16104324), (6, 13420270), (10, 8052162), (12, 6710135), (15, 5368108), (19, 4237980), (20, 4026081), (23, 3500940), (30, 2684054), (37, 2176260), (38, 2118990), (46, 1750470), (57, 1412660), (60, 1342027), (69, 1166980), (74, 1088130), (76, 1059495), (83, 970140), (92, 875235), (95, 847596), (111, 725420), (114, 706330), (115, 700188), (138, 583490), (148, 544065), (166, 485070), (185, 435252), (190, 423798), (222, 362710), (228, 353165), (230, 350094), (249, 323380), (276, 291745), (285, 282532), (332, 242535), (345, 233396), (370, 217626), (380, 211899), (415, 194028), (437, 184260), (444, 181355), (460, 175047), (498, 161690), (555, 145084), (570, 141266), (690, 116698), (703, 114540), (740, 108813), (830, 97014), (851, 94620), (874, 92130), (996, 80845), (1110, 72542), (1140, 70633), (1245, 64676), (1311, 61420), (1380, 58349), (1406, 57270), (1577, 51060), (1660, 48507), (1702, 47310), (1748, 46065), (1909, 42180), (2109, 38180), (2185, 36852), (2220, 36271), (2490, 32338), (2553, 31540), (2622, 30710), (2812, 28635), (3071, 26220), (3154, 25530), (3404, 23655), (3515, 22908), (3818, 21090), (4218, 19090), (4255, 18924), (4370, 18426), (4731, 17020), (4980, 16169), (5106, 15770), (5244, 15355), (5727, 14060), (6142, 13110), (6308, 12765), (6555, 12284), (7030, 11454), (7636, 10545), (7885, 10212), (8436, 9545), (8510, 9462), (8740, 9213)]