420618420

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1697}}^1$

素因数の和:1741

約数の個数: 168

約数和(自身を含む): 1403070984

約数和(自身を除く): 982452564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 243, 255, 270, 306, 324, 340, 405, 459, 486, 510, 540, 612, 729, 765, 810, 918, 972, 1020, 1215, 1377, 1458, 1530, 1620, 1697, 1836, 2295, 2430, 2754, 2916, 3060, 3394, 3645, 4131, 4590, 4860, 5091, 5508, 6788, 6885, 7290, 8262, 8485, 9180, 10182, 12393, 13770, 14580, 15273, 16524, 16970, 20364, 20655, 24786, 25455, 27540, 28849, 30546, 33940, 41310, 45819, 49572, 50910, 57698, 61092, 61965, 76365, 82620, 86547, 91638, 101820, 115396, 123930, 137457, 144245, 152730, 173094, 183276, 229095, 247860, 259641, 274914, 288490, 305460, 346188, 412371, 432735, 458190, 519282, 549828, 576980, 687285, 778923, 824742, 865470, 916380, 1038564, 1237113, 1298205, 1374570, 1557846, 1649484, 1730940, 2061855, 2336769, 2474226, 2596410, 2749140, 3115692, 3894615, 4123710, 4673538, 4948452, 5192820, 6185565, 7010307, 7789230, 8247420, 9347076, 11683845, 12371130, 14020614, 15578460, 21030921, 23367690, 24742260, 28041228, 35051535, 42061842, 46735380, 70103070, 84123684, 105154605, 140206140, 210309210, 420618420]

約数ペア:

[(1, 420618420), (2, 210309210), (3, 140206140), (4, 105154605), (5, 84123684), (6, 70103070), (9, 46735380), (10, 42061842), (12, 35051535), (15, 28041228), (17, 24742260), (18, 23367690), (20, 21030921), (27, 15578460), (30, 14020614), (34, 12371130), (36, 11683845), (45, 9347076), (51, 8247420), (54, 7789230), (60, 7010307), (68, 6185565), (81, 5192820), (85, 4948452), (90, 4673538), (102, 4123710), (108, 3894615), (135, 3115692), (153, 2749140), (162, 2596410), (170, 2474226), (180, 2336769), (204, 2061855), (243, 1730940), (255, 1649484), (270, 1557846), (306, 1374570), (324, 1298205), (340, 1237113), (405, 1038564), (459, 916380), (486, 865470), (510, 824742), (540, 778923), (612, 687285), (729, 576980), (765, 549828), (810, 519282), (918, 458190), (972, 432735), (1020, 412371), (1215, 346188), (1377, 305460), (1458, 288490), (1530, 274914), (1620, 259641), (1697, 247860), (1836, 229095), (2295, 183276), (2430, 173094), (2754, 152730), (2916, 144245), (3060, 137457), (3394, 123930), (3645, 115396), (4131, 101820), (4590, 91638), (4860, 86547), (5091, 82620), (5508, 76365), (6788, 61965), (6885, 61092), (7290, 57698), (8262, 50910), (8485, 49572), (9180, 45819), (10182, 41310), (12393, 33940), (13770, 30546), (14580, 28849), (15273, 27540), (16524, 25455), (16970, 24786), (20364, 20655)]