18326880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:134

約数の個数: 288

約数和(自身を含む): 74299680

約数和(自身を除く): 55972800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 32, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 65, 66, 72, 78, 80, 88, 89, 90, 96, 99, 104, 110, 117, 120, 130, 132, 143, 144, 156, 160, 165, 176, 178, 180, 195, 198, 208, 220, 234, 240, 260, 264, 267, 286, 288, 312, 330, 352, 356, 360, 390, 396, 416, 429, 440, 445, 468, 480, 495, 520, 528, 534, 572, 585, 624, 660, 712, 715, 720, 780, 792, 801, 858, 880, 890, 936, 979, 990, 1040, 1056, 1068, 1144, 1157, 1170, 1248, 1287, 1320, 1335, 1424, 1430, 1440, 1560, 1584, 1602, 1716, 1760, 1780, 1872, 1958, 1980, 2080, 2136, 2145, 2288, 2314, 2340, 2574, 2640, 2670, 2848, 2860, 2937, 3120, 3168, 3204, 3432, 3471, 3560, 3744, 3916, 3960, 4005, 4272, 4290, 4576, 4628, 4680, 4895, 5148, 5280, 5340, 5720, 5785, 5874, 6240, 6408, 6435, 6864, 6942, 7120, 7832, 7920, 8010, 8544, 8580, 8811, 9256, 9360, 9790, 10296, 10413, 10680, 11440, 11570, 11748, 12727, 12816, 12870, 13728, 13884, 14240, 14685, 15664, 15840, 16020, 17160, 17355, 17622, 18512, 18720, 19580, 20592, 20826, 21360, 22880, 23140, 23496, 25454, 25632, 25740, 27768, 29370, 31328, 32040, 34320, 34710, 35244, 37024, 38181, 39160, 41184, 41652, 42720, 44055, 46280, 46992, 50908, 51480, 52065, 55536, 58740, 63635, 64080, 68640, 69420, 70488, 76362, 78320, 83304, 88110, 92560, 93984, 101816, 102960, 104130, 111072, 114543, 117480, 127270, 128160, 138840, 140976, 152724, 156640, 166608, 176220, 185120, 190905, 203632, 205920, 208260, 229086, 234960, 254540, 277680, 281952, 305448, 333216, 352440, 381810, 407264, 416520, 458172, 469920, 509080, 555360, 572715, 610896, 704880, 763620, 833040, 916344, 1018160, 1145430, 1221792, 1409760, 1527240, 1666080, 1832688, 2036320, 2290860, 3054480, 3665376, 4581720, 6108960, 9163440, 18326880]

約数ペア:

[(1, 18326880), (2, 9163440), (3, 6108960), (4, 4581720), (5, 3665376), (6, 3054480), (8, 2290860), (9, 2036320), (10, 1832688), (11, 1666080), (12, 1527240), (13, 1409760), (15, 1221792), (16, 1145430), (18, 1018160), (20, 916344), (22, 833040), (24, 763620), (26, 704880), (30, 610896), (32, 572715), (33, 555360), (36, 509080), (39, 469920), (40, 458172), (44, 416520), (45, 407264), (48, 381810), (52, 352440), (55, 333216), (60, 305448), (65, 281952), (66, 277680), (72, 254540), (78, 234960), (80, 229086), (88, 208260), (89, 205920), (90, 203632), (96, 190905), (99, 185120), (104, 176220), (110, 166608), (117, 156640), (120, 152724), (130, 140976), (132, 138840), (143, 128160), (144, 127270), (156, 117480), (160, 114543), (165, 111072), (176, 104130), (178, 102960), (180, 101816), (195, 93984), (198, 92560), (208, 88110), (220, 83304), (234, 78320), (240, 76362), (260, 70488), (264, 69420), (267, 68640), (286, 64080), (288, 63635), (312, 58740), (330, 55536), (352, 52065), (356, 51480), (360, 50908), (390, 46992), (396, 46280), (416, 44055), (429, 42720), (440, 41652), (445, 41184), (468, 39160), (480, 38181), (495, 37024), (520, 35244), (528, 34710), (534, 34320), (572, 32040), (585, 31328), (624, 29370), (660, 27768), (712, 25740), (715, 25632), (720, 25454), (780, 23496), (792, 23140), (801, 22880), (858, 21360), (880, 20826), (890, 20592), (936, 19580), (979, 18720), (990, 18512), (1040, 17622), (1056, 17355), (1068, 17160), (1144, 16020), (1157, 15840), (1170, 15664), (1248, 14685), (1287, 14240), (1320, 13884), (1335, 13728), (1424, 12870), (1430, 12816), (1440, 12727), (1560, 11748), (1584, 11570), (1602, 11440), (1716, 10680), (1760, 10413), (1780, 10296), (1872, 9790), (1958, 9360), (1980, 9256), (2080, 8811), (2136, 8580), (2145, 8544), (2288, 8010), (2314, 7920), (2340, 7832), (2574, 7120), (2640, 6942), (2670, 6864), (2848, 6435), (2860, 6408), (2937, 6240), (3120, 5874), (3168, 5785), (3204, 5720), (3432, 5340), (3471, 5280), (3560, 5148), (3744, 4895), (3916, 4680), (3960, 4628), (4005, 4576), (4272, 4290)]