211268520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:385

約数の個数: 256

約数和(自身を含む): 768268800

約数和(自身を除く): 557000280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 37, 40, 45, 51, 54, 60, 68, 72, 74, 85, 90, 102, 108, 111, 120, 135, 136, 148, 153, 170, 180, 185, 204, 216, 222, 255, 270, 296, 306, 311, 333, 340, 360, 370, 408, 444, 459, 510, 540, 555, 612, 622, 629, 666, 680, 740, 765, 888, 918, 933, 999, 1020, 1080, 1110, 1224, 1244, 1258, 1332, 1480, 1530, 1555, 1665, 1836, 1866, 1887, 1998, 2040, 2220, 2295, 2488, 2516, 2664, 2799, 3060, 3110, 3145, 3330, 3672, 3732, 3774, 3996, 4440, 4590, 4665, 4995, 5032, 5287, 5598, 5661, 6120, 6220, 6290, 6660, 7464, 7548, 7992, 8397, 9180, 9330, 9435, 9990, 10574, 11196, 11322, 11507, 12440, 12580, 13320, 13995, 15096, 15861, 16794, 16983, 18360, 18660, 18870, 19980, 21148, 22392, 22644, 23014, 25160, 26435, 27990, 28305, 31722, 33588, 33966, 34521, 37320, 37740, 39960, 41985, 42296, 45288, 46028, 47583, 52870, 55980, 56610, 57535, 63444, 67176, 67932, 69042, 75480, 79305, 83970, 84915, 92056, 95166, 103563, 105740, 111960, 113220, 115070, 126888, 135864, 138084, 142749, 158610, 167940, 169830, 172605, 190332, 195619, 207126, 211480, 226440, 230140, 237915, 276168, 285498, 310689, 317220, 335880, 339660, 345210, 380664, 391238, 414252, 460280, 475830, 517815, 570996, 586857, 621378, 634440, 679320, 690420, 713745, 782476, 828504, 951660, 978095, 1035630, 1141992, 1173714, 1242756, 1380840, 1427490, 1553445, 1564952, 1760571, 1903320, 1956190, 2071260, 2347428, 2485512, 2854980, 2934285, 3106890, 3521142, 3912380, 4142520, 4694856, 5281713, 5709960, 5868570, 6213780, 7042284, 7824760, 8802855, 10563426, 11737140, 12427560, 14084568, 17605710, 21126852, 23474280, 26408565, 35211420, 42253704, 52817130, 70422840, 105634260, 211268520]

約数ペア:

[(1, 211268520), (2, 105634260), (3, 70422840), (4, 52817130), (5, 42253704), (6, 35211420), (8, 26408565), (9, 23474280), (10, 21126852), (12, 17605710), (15, 14084568), (17, 12427560), (18, 11737140), (20, 10563426), (24, 8802855), (27, 7824760), (30, 7042284), (34, 6213780), (36, 5868570), (37, 5709960), (40, 5281713), (45, 4694856), (51, 4142520), (54, 3912380), (60, 3521142), (68, 3106890), (72, 2934285), (74, 2854980), (85, 2485512), (90, 2347428), (102, 2071260), (108, 1956190), (111, 1903320), (120, 1760571), (135, 1564952), (136, 1553445), (148, 1427490), (153, 1380840), (170, 1242756), (180, 1173714), (185, 1141992), (204, 1035630), (216, 978095), (222, 951660), (255, 828504), (270, 782476), (296, 713745), (306, 690420), (311, 679320), (333, 634440), (340, 621378), (360, 586857), (370, 570996), (408, 517815), (444, 475830), (459, 460280), (510, 414252), (540, 391238), (555, 380664), (612, 345210), (622, 339660), (629, 335880), (666, 317220), (680, 310689), (740, 285498), (765, 276168), (888, 237915), (918, 230140), (933, 226440), (999, 211480), (1020, 207126), (1080, 195619), (1110, 190332), (1224, 172605), (1244, 169830), (1258, 167940), (1332, 158610), (1480, 142749), (1530, 138084), (1555, 135864), (1665, 126888), (1836, 115070), (1866, 113220), (1887, 111960), (1998, 105740), (2040, 103563), (2220, 95166), (2295, 92056), (2488, 84915), (2516, 83970), (2664, 79305), (2799, 75480), (3060, 69042), (3110, 67932), (3145, 67176), (3330, 63444), (3672, 57535), (3732, 56610), (3774, 55980), (3996, 52870), (4440, 47583), (4590, 46028), (4665, 45288), (4995, 42296), (5032, 41985), (5287, 39960), (5598, 37740), (5661, 37320), (6120, 34521), (6220, 33966), (6290, 33588), (6660, 31722), (7464, 28305), (7548, 27990), (7992, 26435), (8397, 25160), (9180, 23014), (9330, 22644), (9435, 22392), (9990, 21148), (10574, 19980), (11196, 18870), (11322, 18660), (11507, 18360), (12440, 16983), (12580, 16794), (13320, 15861), (13995, 15096)]