220507920

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 280

約数和(自身を含む): 813192000

約数和(自身を除く): 592684080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 144, 152, 162, 171, 180, 190, 199, 216, 228, 240, 243, 270, 285, 304, 324, 342, 360, 380, 398, 405, 432, 456, 486, 513, 540, 570, 597, 648, 684, 720, 729, 760, 796, 810, 855, 912, 972, 995, 1026, 1080, 1140, 1194, 1215, 1296, 1368, 1458, 1520, 1539, 1592, 1620, 1710, 1791, 1944, 1990, 2052, 2160, 2280, 2388, 2430, 2565, 2736, 2916, 2985, 3078, 3184, 3240, 3420, 3582, 3645, 3781, 3888, 3980, 4104, 4560, 4617, 4776, 4860, 5130, 5373, 5832, 5970, 6156, 6480, 6840, 7164, 7290, 7562, 7695, 7960, 8208, 8955, 9234, 9552, 9720, 10260, 10746, 11343, 11664, 11940, 12312, 13680, 13851, 14328, 14580, 15124, 15390, 15920, 16119, 17910, 18468, 18905, 19440, 20520, 21492, 22686, 23085, 23880, 24624, 26865, 27702, 28656, 29160, 30248, 30780, 32238, 34029, 35820, 36936, 37810, 41040, 42984, 45372, 46170, 47760, 48357, 53730, 55404, 56715, 58320, 60496, 61560, 64476, 68058, 69255, 71640, 73872, 75620, 80595, 85968, 90744, 92340, 96714, 102087, 107460, 110808, 113430, 123120, 128952, 136116, 138510, 143280, 145071, 151240, 161190, 170145, 181488, 184680, 193428, 204174, 214920, 221616, 226860, 241785, 257904, 272232, 277020, 290142, 302480, 306261, 322380, 340290, 369360, 386856, 408348, 429840, 453720, 483570, 510435, 544464, 554040, 580284, 612522, 644760, 680580, 725355, 773712, 816696, 907440, 918783, 967140, 1020870, 1108080, 1160568, 1225044, 1289520, 1361160, 1450710, 1531305, 1633392, 1837566, 1934280, 2041740, 2321136, 2450088, 2722320, 2756349, 2901420, 3062610, 3675132, 3868560, 4083480, 4593915, 4900176, 5512698, 5802840, 6125220, 7350264, 8166960, 9187830, 11025396, 11605680, 12250440, 13781745, 14700528, 18375660, 22050792, 24500880, 27563490, 36751320, 44101584, 55126980, 73502640, 110253960, 220507920]

約数ペア:

[(1, 220507920), (2, 110253960), (3, 73502640), (4, 55126980), (5, 44101584), (6, 36751320), (8, 27563490), (9, 24500880), (10, 22050792), (12, 18375660), (15, 14700528), (16, 13781745), (18, 12250440), (19, 11605680), (20, 11025396), (24, 9187830), (27, 8166960), (30, 7350264), (36, 6125220), (38, 5802840), (40, 5512698), (45, 4900176), (48, 4593915), (54, 4083480), (57, 3868560), (60, 3675132), (72, 3062610), (76, 2901420), (80, 2756349), (81, 2722320), (90, 2450088), (95, 2321136), (108, 2041740), (114, 1934280), (120, 1837566), (135, 1633392), (144, 1531305), (152, 1450710), (162, 1361160), (171, 1289520), (180, 1225044), (190, 1160568), (199, 1108080), (216, 1020870), (228, 967140), (240, 918783), (243, 907440), (270, 816696), (285, 773712), (304, 725355), (324, 680580), (342, 644760), (360, 612522), (380, 580284), (398, 554040), (405, 544464), (432, 510435), (456, 483570), (486, 453720), (513, 429840), (540, 408348), (570, 386856), (597, 369360), (648, 340290), (684, 322380), (720, 306261), (729, 302480), (760, 290142), (796, 277020), (810, 272232), (855, 257904), (912, 241785), (972, 226860), (995, 221616), (1026, 214920), (1080, 204174), (1140, 193428), (1194, 184680), (1215, 181488), (1296, 170145), (1368, 161190), (1458, 151240), (1520, 145071), (1539, 143280), (1592, 138510), (1620, 136116), (1710, 128952), (1791, 123120), (1944, 113430), (1990, 110808), (2052, 107460), (2160, 102087), (2280, 96714), (2388, 92340), (2430, 90744), (2565, 85968), (2736, 80595), (2916, 75620), (2985, 73872), (3078, 71640), (3184, 69255), (3240, 68058), (3420, 64476), (3582, 61560), (3645, 60496), (3781, 58320), (3888, 56715), (3980, 55404), (4104, 53730), (4560, 48357), (4617, 47760), (4776, 46170), (4860, 45372), (5130, 42984), (5373, 41040), (5832, 37810), (5970, 36936), (6156, 35820), (6480, 34029), (6840, 32238), (7164, 30780), (7290, 30248), (7562, 29160), (7695, 28656), (7960, 27702), (8208, 26865), (8955, 24624), (9234, 23880), (9552, 23085), (9720, 22686), (10260, 21492), (10746, 20520), (11343, 19440), (11664, 18905), (11940, 18468), (12312, 17910), (13680, 16119), (13851, 15920), (14328, 15390), (14580, 15124)]