2490840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 192

約数和(自身を含む): 9603360

約数和(自身を除く): 7112520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 30, 33, 34, 36, 37, 40, 44, 45, 51, 55, 60, 66, 68, 72, 74, 85, 88, 90, 99, 102, 110, 111, 120, 132, 136, 148, 153, 165, 170, 180, 185, 187, 198, 204, 220, 222, 255, 264, 296, 306, 330, 333, 340, 360, 370, 374, 396, 407, 408, 440, 444, 495, 510, 555, 561, 612, 629, 660, 666, 680, 740, 748, 765, 792, 814, 888, 935, 990, 1020, 1110, 1122, 1221, 1224, 1258, 1320, 1332, 1480, 1496, 1530, 1628, 1665, 1683, 1870, 1887, 1980, 2035, 2040, 2220, 2244, 2442, 2516, 2664, 2805, 3060, 3145, 3256, 3330, 3366, 3663, 3740, 3774, 3960, 4070, 4440, 4488, 4884, 5032, 5610, 5661, 6105, 6120, 6290, 6660, 6732, 6919, 7326, 7480, 7548, 8140, 8415, 9435, 9768, 11220, 11322, 12210, 12580, 13320, 13464, 13838, 14652, 15096, 16280, 16830, 18315, 18870, 20757, 22440, 22644, 24420, 25160, 27676, 28305, 29304, 33660, 34595, 36630, 37740, 41514, 45288, 48840, 55352, 56610, 62271, 67320, 69190, 73260, 75480, 83028, 103785, 113220, 124542, 138380, 146520, 166056, 207570, 226440, 249084, 276760, 311355, 415140, 498168, 622710, 830280, 1245420, 2490840]

約数ペア:

[(1, 2490840), (2, 1245420), (3, 830280), (4, 622710), (5, 498168), (6, 415140), (8, 311355), (9, 276760), (10, 249084), (11, 226440), (12, 207570), (15, 166056), (17, 146520), (18, 138380), (20, 124542), (22, 113220), (24, 103785), (30, 83028), (33, 75480), (34, 73260), (36, 69190), (37, 67320), (40, 62271), (44, 56610), (45, 55352), (51, 48840), (55, 45288), (60, 41514), (66, 37740), (68, 36630), (72, 34595), (74, 33660), (85, 29304), (88, 28305), (90, 27676), (99, 25160), (102, 24420), (110, 22644), (111, 22440), (120, 20757), (132, 18870), (136, 18315), (148, 16830), (153, 16280), (165, 15096), (170, 14652), (180, 13838), (185, 13464), (187, 13320), (198, 12580), (204, 12210), (220, 11322), (222, 11220), (255, 9768), (264, 9435), (296, 8415), (306, 8140), (330, 7548), (333, 7480), (340, 7326), (360, 6919), (370, 6732), (374, 6660), (396, 6290), (407, 6120), (408, 6105), (440, 5661), (444, 5610), (495, 5032), (510, 4884), (555, 4488), (561, 4440), (612, 4070), (629, 3960), (660, 3774), (666, 3740), (680, 3663), (740, 3366), (748, 3330), (765, 3256), (792, 3145), (814, 3060), (888, 2805), (935, 2664), (990, 2516), (1020, 2442), (1110, 2244), (1122, 2220), (1221, 2040), (1224, 2035), (1258, 1980), (1320, 1887), (1332, 1870), (1480, 1683), (1496, 1665), (1530, 1628)]