18306120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 256

約数和(自身を含む): 70041600

約数和(自身を除く): 51735480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 31, 35, 37, 38, 40, 42, 56, 57, 60, 62, 70, 74, 76, 84, 93, 95, 105, 111, 114, 120, 124, 133, 140, 148, 152, 155, 168, 185, 186, 190, 210, 217, 222, 228, 248, 259, 266, 280, 285, 296, 310, 370, 372, 380, 399, 420, 434, 444, 456, 465, 518, 532, 555, 570, 589, 620, 651, 665, 703, 740, 744, 760, 777, 798, 840, 868, 888, 930, 1036, 1064, 1085, 1110, 1140, 1147, 1178, 1240, 1295, 1302, 1330, 1406, 1480, 1554, 1596, 1736, 1767, 1860, 1995, 2072, 2109, 2170, 2220, 2280, 2294, 2356, 2590, 2604, 2660, 2812, 2945, 3108, 3192, 3255, 3441, 3515, 3534, 3720, 3885, 3990, 4123, 4218, 4340, 4440, 4588, 4712, 4921, 5180, 5208, 5320, 5624, 5735, 5890, 6216, 6510, 6882, 7030, 7068, 7770, 7980, 8029, 8246, 8436, 8680, 8835, 9176, 9842, 10360, 10545, 11470, 11780, 12369, 13020, 13764, 14060, 14136, 14763, 15540, 15960, 16058, 16492, 16872, 17205, 17670, 19684, 20615, 21090, 21793, 22940, 23560, 24087, 24605, 24738, 26040, 27528, 28120, 29526, 31080, 32116, 32984, 34410, 35340, 39368, 40145, 41230, 42180, 43586, 45880, 48174, 49210, 49476, 59052, 61845, 64232, 65379, 68820, 70680, 73815, 80290, 82460, 84360, 87172, 96348, 98420, 98952, 108965, 118104, 120435, 123690, 130758, 137640, 147630, 152551, 160580, 164920, 174344, 192696, 196840, 217930, 240870, 247380, 261516, 295260, 305102, 321160, 326895, 435860, 457653, 481740, 494760, 523032, 590520, 610204, 653790, 762755, 871720, 915306, 963480, 1220408, 1307580, 1525510, 1830612, 2288265, 2615160, 3051020, 3661224, 4576530, 6102040, 9153060, 18306120]

約数ペア:

[(1, 18306120), (2, 9153060), (3, 6102040), (4, 4576530), (5, 3661224), (6, 3051020), (7, 2615160), (8, 2288265), (10, 1830612), (12, 1525510), (14, 1307580), (15, 1220408), (19, 963480), (20, 915306), (21, 871720), (24, 762755), (28, 653790), (30, 610204), (31, 590520), (35, 523032), (37, 494760), (38, 481740), (40, 457653), (42, 435860), (56, 326895), (57, 321160), (60, 305102), (62, 295260), (70, 261516), (74, 247380), (76, 240870), (84, 217930), (93, 196840), (95, 192696), (105, 174344), (111, 164920), (114, 160580), (120, 152551), (124, 147630), (133, 137640), (140, 130758), (148, 123690), (152, 120435), (155, 118104), (168, 108965), (185, 98952), (186, 98420), (190, 96348), (210, 87172), (217, 84360), (222, 82460), (228, 80290), (248, 73815), (259, 70680), (266, 68820), (280, 65379), (285, 64232), (296, 61845), (310, 59052), (370, 49476), (372, 49210), (380, 48174), (399, 45880), (420, 43586), (434, 42180), (444, 41230), (456, 40145), (465, 39368), (518, 35340), (532, 34410), (555, 32984), (570, 32116), (589, 31080), (620, 29526), (651, 28120), (665, 27528), (703, 26040), (740, 24738), (744, 24605), (760, 24087), (777, 23560), (798, 22940), (840, 21793), (868, 21090), (888, 20615), (930, 19684), (1036, 17670), (1064, 17205), (1085, 16872), (1110, 16492), (1140, 16058), (1147, 15960), (1178, 15540), (1240, 14763), (1295, 14136), (1302, 14060), (1330, 13764), (1406, 13020), (1480, 12369), (1554, 11780), (1596, 11470), (1736, 10545), (1767, 10360), (1860, 9842), (1995, 9176), (2072, 8835), (2109, 8680), (2170, 8436), (2220, 8246), (2280, 8029), (2294, 7980), (2356, 7770), (2590, 7068), (2604, 7030), (2660, 6882), (2812, 6510), (2945, 6216), (3108, 5890), (3192, 5735), (3255, 5624), (3441, 5320), (3515, 5208), (3534, 5180), (3720, 4921), (3885, 4712), (3990, 4588), (4123, 4440), (4218, 4340)]