18243720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:316

約数の個数: 192

約数和(自身を含む): 68739840

約数和(自身を除く): 50496120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 51, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 110, 120, 132, 136, 153, 165, 170, 180, 187, 198, 204, 220, 255, 264, 271, 306, 330, 340, 360, 374, 396, 408, 440, 495, 510, 542, 561, 612, 660, 680, 748, 765, 792, 813, 935, 990, 1020, 1084, 1122, 1224, 1320, 1355, 1496, 1530, 1626, 1683, 1870, 1980, 2040, 2168, 2244, 2439, 2710, 2805, 2981, 3060, 3252, 3366, 3740, 3960, 4065, 4488, 4607, 4878, 5420, 5610, 5962, 6120, 6504, 6732, 7480, 8130, 8415, 8943, 9214, 9756, 10840, 11220, 11924, 12195, 13464, 13821, 14905, 16260, 16830, 17886, 18428, 19512, 22440, 23035, 23848, 24390, 26829, 27642, 29810, 32520, 33660, 35772, 36856, 41463, 44715, 46070, 48780, 50677, 53658, 55284, 59620, 67320, 69105, 71544, 82926, 89430, 92140, 97560, 101354, 107316, 110568, 119240, 134145, 138210, 152031, 165852, 178860, 184280, 202708, 207315, 214632, 253385, 268290, 276420, 304062, 331704, 357720, 405416, 414630, 456093, 506770, 536580, 552840, 608124, 760155, 829260, 912186, 1013540, 1073160, 1216248, 1520310, 1658520, 1824372, 2027080, 2280465, 3040620, 3648744, 4560930, 6081240, 9121860, 18243720]

約数ペア:

[(1, 18243720), (2, 9121860), (3, 6081240), (4, 4560930), (5, 3648744), (6, 3040620), (8, 2280465), (9, 2027080), (10, 1824372), (11, 1658520), (12, 1520310), (15, 1216248), (17, 1073160), (18, 1013540), (20, 912186), (22, 829260), (24, 760155), (30, 608124), (33, 552840), (34, 536580), (36, 506770), (40, 456093), (44, 414630), (45, 405416), (51, 357720), (55, 331704), (60, 304062), (66, 276420), (68, 268290), (72, 253385), (85, 214632), (88, 207315), (90, 202708), (99, 184280), (102, 178860), (110, 165852), (120, 152031), (132, 138210), (136, 134145), (153, 119240), (165, 110568), (170, 107316), (180, 101354), (187, 97560), (198, 92140), (204, 89430), (220, 82926), (255, 71544), (264, 69105), (271, 67320), (306, 59620), (330, 55284), (340, 53658), (360, 50677), (374, 48780), (396, 46070), (408, 44715), (440, 41463), (495, 36856), (510, 35772), (542, 33660), (561, 32520), (612, 29810), (660, 27642), (680, 26829), (748, 24390), (765, 23848), (792, 23035), (813, 22440), (935, 19512), (990, 18428), (1020, 17886), (1084, 16830), (1122, 16260), (1224, 14905), (1320, 13821), (1355, 13464), (1496, 12195), (1530, 11924), (1626, 11220), (1683, 10840), (1870, 9756), (1980, 9214), (2040, 8943), (2168, 8415), (2244, 8130), (2439, 7480), (2710, 6732), (2805, 6504), (2981, 6120), (3060, 5962), (3252, 5610), (3366, 5420), (3740, 4878), (3960, 4607), (4065, 4488)]