121728420

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1$

素因数の和:75

約数の個数: 288

約数和(自身を含む): 439729920

約数和(自身を除く): 318001500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 27, 30, 33, 36, 44, 45, 46, 54, 55, 60, 66, 69, 81, 90, 92, 99, 108, 110, 115, 121, 132, 135, 138, 162, 165, 180, 198, 207, 220, 230, 242, 243, 253, 270, 276, 297, 324, 330, 345, 363, 396, 405, 414, 460, 484, 486, 495, 506, 540, 594, 605, 621, 660, 690, 726, 729, 759, 810, 828, 891, 972, 990, 1012, 1035, 1089, 1188, 1210, 1215, 1242, 1265, 1380, 1452, 1458, 1485, 1518, 1620, 1782, 1815, 1863, 1980, 2070, 2178, 2187, 2277, 2420, 2430, 2484, 2530, 2673, 2783, 2916, 2970, 3036, 3105, 3267, 3564, 3630, 3645, 3726, 3795, 4140, 4356, 4374, 4455, 4554, 4860, 5060, 5346, 5445, 5566, 5589, 5940, 6210, 6534, 6831, 7260, 7290, 7452, 7590, 8019, 8349, 8748, 8910, 9108, 9315, 9801, 10692, 10890, 10935, 11132, 11178, 11385, 12420, 13068, 13365, 13662, 13915, 14580, 15180, 16038, 16335, 16698, 16767, 17820, 18630, 19602, 20493, 21780, 21870, 22356, 22770, 24057, 25047, 26730, 27324, 27830, 27945, 29403, 32076, 32670, 33396, 33534, 34155, 37260, 39204, 40095, 40986, 41745, 43740, 45540, 48114, 49005, 50094, 50301, 53460, 55660, 55890, 58806, 61479, 65340, 67068, 68310, 75141, 80190, 81972, 83490, 83835, 88209, 96228, 98010, 100188, 100602, 102465, 111780, 117612, 120285, 122958, 125235, 136620, 147015, 150282, 160380, 166980, 167670, 176418, 184437, 196020, 201204, 204930, 225423, 240570, 245916, 250470, 251505, 264627, 294030, 300564, 307395, 335340, 352836, 368874, 375705, 409860, 441045, 450846, 481140, 500940, 503010, 529254, 553311, 588060, 614790, 676269, 737748, 751410, 882090, 901692, 922185, 1006020, 1058508, 1106622, 1127115, 1229580, 1323135, 1352538, 1502820, 1764180, 1844370, 2028807, 2213244, 2254230, 2646270, 2705076, 2766555, 3381345, 3688740, 4057614, 4508460, 5292540, 5533110, 6086421, 6762690, 8115228, 10144035, 11066220, 12172842, 13525380, 20288070, 24345684, 30432105, 40576140, 60864210, 121728420]

約数ペア:

[(1, 121728420), (2, 60864210), (3, 40576140), (4, 30432105), (5, 24345684), (6, 20288070), (9, 13525380), (10, 12172842), (11, 11066220), (12, 10144035), (15, 8115228), (18, 6762690), (20, 6086421), (22, 5533110), (23, 5292540), (27, 4508460), (30, 4057614), (33, 3688740), (36, 3381345), (44, 2766555), (45, 2705076), (46, 2646270), (54, 2254230), (55, 2213244), (60, 2028807), (66, 1844370), (69, 1764180), (81, 1502820), (90, 1352538), (92, 1323135), (99, 1229580), (108, 1127115), (110, 1106622), (115, 1058508), (121, 1006020), (132, 922185), (135, 901692), (138, 882090), (162, 751410), (165, 737748), (180, 676269), (198, 614790), (207, 588060), (220, 553311), (230, 529254), (242, 503010), (243, 500940), (253, 481140), (270, 450846), (276, 441045), (297, 409860), (324, 375705), (330, 368874), (345, 352836), (363, 335340), (396, 307395), (405, 300564), (414, 294030), (460, 264627), (484, 251505), (486, 250470), (495, 245916), (506, 240570), (540, 225423), (594, 204930), (605, 201204), (621, 196020), (660, 184437), (690, 176418), (726, 167670), (729, 166980), (759, 160380), (810, 150282), (828, 147015), (891, 136620), (972, 125235), (990, 122958), (1012, 120285), (1035, 117612), (1089, 111780), (1188, 102465), (1210, 100602), (1215, 100188), (1242, 98010), (1265, 96228), (1380, 88209), (1452, 83835), (1458, 83490), (1485, 81972), (1518, 80190), (1620, 75141), (1782, 68310), (1815, 67068), (1863, 65340), (1980, 61479), (2070, 58806), (2178, 55890), (2187, 55660), (2277, 53460), (2420, 50301), (2430, 50094), (2484, 49005), (2530, 48114), (2673, 45540), (2783, 43740), (2916, 41745), (2970, 40986), (3036, 40095), (3105, 39204), (3267, 37260), (3564, 34155), (3630, 33534), (3645, 33396), (3726, 32670), (3795, 32076), (4140, 29403), (4356, 27945), (4374, 27830), (4455, 27324), (4554, 26730), (4860, 25047), (5060, 24057), (5346, 22770), (5445, 22356), (5566, 21870), (5589, 21780), (5940, 20493), (6210, 19602), (6534, 18630), (6831, 17820), (7260, 16767), (7290, 16698), (7452, 16335), (7590, 16038), (8019, 15180), (8349, 14580), (8748, 13915), (8910, 13662), (9108, 13365), (9315, 13068), (9801, 12420), (10692, 11385), (10890, 11178), (10935, 11132)]