18445680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:184

約数の個数: 240

約数和(自身を含む): 72075744

約数和(自身を除く): 53630064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 48, 51, 55, 60, 66, 68, 72, 80, 85, 88, 90, 99, 102, 110, 120, 132, 136, 137, 144, 153, 165, 170, 176, 180, 187, 198, 204, 220, 240, 255, 264, 272, 274, 306, 330, 340, 360, 374, 396, 408, 411, 440, 495, 510, 528, 548, 561, 612, 660, 680, 685, 720, 748, 765, 792, 816, 822, 880, 935, 990, 1020, 1096, 1122, 1224, 1233, 1320, 1360, 1370, 1496, 1507, 1530, 1584, 1644, 1683, 1870, 1980, 2040, 2055, 2192, 2244, 2329, 2448, 2466, 2640, 2740, 2805, 2992, 3014, 3060, 3288, 3366, 3740, 3960, 4080, 4110, 4488, 4521, 4658, 4932, 5480, 5610, 6028, 6120, 6165, 6576, 6732, 6987, 7480, 7535, 7920, 8220, 8415, 8976, 9042, 9316, 9864, 10960, 11220, 11645, 12056, 12240, 12330, 13464, 13563, 13974, 14960, 15070, 16440, 16830, 18084, 18632, 19728, 20961, 22440, 22605, 23290, 24112, 24660, 25619, 26928, 27126, 27948, 30140, 32880, 33660, 34935, 36168, 37264, 41922, 44880, 45210, 46580, 49320, 51238, 54252, 55896, 60280, 67320, 67815, 69870, 72336, 76857, 83844, 90420, 93160, 98640, 102476, 104805, 108504, 111792, 120560, 128095, 134640, 135630, 139740, 153714, 167688, 180840, 186320, 204952, 209610, 217008, 230571, 256190, 271260, 279480, 307428, 335376, 361680, 384285, 409904, 419220, 461142, 512380, 542520, 558960, 614856, 768570, 838440, 922284, 1024760, 1085040, 1152855, 1229712, 1537140, 1676880, 1844568, 2049520, 2305710, 3074280, 3689136, 4611420, 6148560, 9222840, 18445680]

約数ペア:

[(1, 18445680), (2, 9222840), (3, 6148560), (4, 4611420), (5, 3689136), (6, 3074280), (8, 2305710), (9, 2049520), (10, 1844568), (11, 1676880), (12, 1537140), (15, 1229712), (16, 1152855), (17, 1085040), (18, 1024760), (20, 922284), (22, 838440), (24, 768570), (30, 614856), (33, 558960), (34, 542520), (36, 512380), (40, 461142), (44, 419220), (45, 409904), (48, 384285), (51, 361680), (55, 335376), (60, 307428), (66, 279480), (68, 271260), (72, 256190), (80, 230571), (85, 217008), (88, 209610), (90, 204952), (99, 186320), (102, 180840), (110, 167688), (120, 153714), (132, 139740), (136, 135630), (137, 134640), (144, 128095), (153, 120560), (165, 111792), (170, 108504), (176, 104805), (180, 102476), (187, 98640), (198, 93160), (204, 90420), (220, 83844), (240, 76857), (255, 72336), (264, 69870), (272, 67815), (274, 67320), (306, 60280), (330, 55896), (340, 54252), (360, 51238), (374, 49320), (396, 46580), (408, 45210), (411, 44880), (440, 41922), (495, 37264), (510, 36168), (528, 34935), (548, 33660), (561, 32880), (612, 30140), (660, 27948), (680, 27126), (685, 26928), (720, 25619), (748, 24660), (765, 24112), (792, 23290), (816, 22605), (822, 22440), (880, 20961), (935, 19728), (990, 18632), (1020, 18084), (1096, 16830), (1122, 16440), (1224, 15070), (1233, 14960), (1320, 13974), (1360, 13563), (1370, 13464), (1496, 12330), (1507, 12240), (1530, 12056), (1584, 11645), (1644, 11220), (1683, 10960), (1870, 9864), (1980, 9316), (2040, 9042), (2055, 8976), (2192, 8415), (2244, 8220), (2329, 7920), (2448, 7535), (2466, 7480), (2640, 6987), (2740, 6732), (2805, 6576), (2992, 6165), (3014, 6120), (3060, 6028), (3288, 5610), (3366, 5480), (3740, 4932), (3960, 4658), (4080, 4521), (4110, 4488)]