128998980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:181

約数の個数: 288

約数和(自身を含む): 469647360

約数和(自身を除く): 340648380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 27, 30, 33, 36, 38, 44, 45, 54, 55, 57, 60, 66, 76, 81, 90, 95, 99, 108, 110, 114, 127, 132, 135, 162, 165, 171, 180, 190, 198, 209, 220, 228, 243, 254, 270, 285, 297, 324, 330, 342, 380, 381, 396, 405, 418, 486, 495, 508, 513, 540, 570, 594, 627, 635, 660, 684, 762, 810, 836, 855, 891, 972, 990, 1026, 1045, 1140, 1143, 1188, 1215, 1254, 1270, 1397, 1485, 1524, 1539, 1620, 1710, 1782, 1881, 1905, 1980, 2052, 2090, 2286, 2413, 2430, 2508, 2540, 2565, 2673, 2794, 2970, 3078, 3135, 3420, 3429, 3564, 3762, 3810, 4180, 4191, 4455, 4572, 4617, 4826, 4860, 5130, 5346, 5588, 5643, 5715, 5940, 6156, 6270, 6858, 6985, 7239, 7524, 7620, 7695, 8382, 8910, 9234, 9405, 9652, 10260, 10287, 10692, 11286, 11430, 12065, 12540, 12573, 13365, 13716, 13970, 14478, 15390, 16764, 16929, 17145, 17820, 18468, 18810, 20574, 20955, 21717, 22572, 22860, 23085, 24130, 25146, 26543, 26730, 27940, 28215, 28956, 30780, 30861, 33858, 34290, 36195, 37620, 37719, 41148, 41910, 43434, 46170, 48260, 50292, 50787, 51435, 53086, 53460, 56430, 61722, 62865, 65151, 67716, 68580, 72390, 75438, 79629, 83820, 84645, 86868, 92340, 101574, 102870, 106172, 108585, 112860, 113157, 123444, 125730, 130302, 132715, 144780, 150876, 154305, 159258, 169290, 188595, 195453, 203148, 205740, 217170, 226314, 238887, 251460, 253935, 260604, 265430, 308610, 318516, 325755, 338580, 339471, 377190, 390906, 398145, 434340, 452628, 477774, 507870, 530860, 565785, 586359, 617220, 651510, 678942, 716661, 754380, 781812, 796290, 955548, 977265, 1015740, 1131570, 1172718, 1194435, 1303020, 1357884, 1433322, 1592580, 1697355, 1954530, 2149983, 2263140, 2345436, 2388870, 2866644, 2931795, 3394710, 3583305, 3909060, 4299966, 4777740, 5863590, 6449949, 6789420, 7166610, 8599932, 10749915, 11727180, 12899898, 14333220, 21499830, 25799796, 32249745, 42999660, 64499490, 128998980]

約数ペア:

[(1, 128998980), (2, 64499490), (3, 42999660), (4, 32249745), (5, 25799796), (6, 21499830), (9, 14333220), (10, 12899898), (11, 11727180), (12, 10749915), (15, 8599932), (18, 7166610), (19, 6789420), (20, 6449949), (22, 5863590), (27, 4777740), (30, 4299966), (33, 3909060), (36, 3583305), (38, 3394710), (44, 2931795), (45, 2866644), (54, 2388870), (55, 2345436), (57, 2263140), (60, 2149983), (66, 1954530), (76, 1697355), (81, 1592580), (90, 1433322), (95, 1357884), (99, 1303020), (108, 1194435), (110, 1172718), (114, 1131570), (127, 1015740), (132, 977265), (135, 955548), (162, 796290), (165, 781812), (171, 754380), (180, 716661), (190, 678942), (198, 651510), (209, 617220), (220, 586359), (228, 565785), (243, 530860), (254, 507870), (270, 477774), (285, 452628), (297, 434340), (324, 398145), (330, 390906), (342, 377190), (380, 339471), (381, 338580), (396, 325755), (405, 318516), (418, 308610), (486, 265430), (495, 260604), (508, 253935), (513, 251460), (540, 238887), (570, 226314), (594, 217170), (627, 205740), (635, 203148), (660, 195453), (684, 188595), (762, 169290), (810, 159258), (836, 154305), (855, 150876), (891, 144780), (972, 132715), (990, 130302), (1026, 125730), (1045, 123444), (1140, 113157), (1143, 112860), (1188, 108585), (1215, 106172), (1254, 102870), (1270, 101574), (1397, 92340), (1485, 86868), (1524, 84645), (1539, 83820), (1620, 79629), (1710, 75438), (1782, 72390), (1881, 68580), (1905, 67716), (1980, 65151), (2052, 62865), (2090, 61722), (2286, 56430), (2413, 53460), (2430, 53086), (2508, 51435), (2540, 50787), (2565, 50292), (2673, 48260), (2794, 46170), (2970, 43434), (3078, 41910), (3135, 41148), (3420, 37719), (3429, 37620), (3564, 36195), (3762, 34290), (3810, 33858), (4180, 30861), (4191, 30780), (4455, 28956), (4572, 28215), (4617, 27940), (4826, 26730), (4860, 26543), (5130, 25146), (5346, 24130), (5588, 23085), (5643, 22860), (5715, 22572), (5940, 21717), (6156, 20955), (6270, 20574), (6858, 18810), (6985, 18468), (7239, 17820), (7524, 17145), (7620, 16929), (7695, 16764), (8382, 15390), (8910, 14478), (9234, 13970), (9405, 13716), (9652, 13365), (10260, 12573), (10287, 12540), (10692, 12065), (11286, 11430)]