215197920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:642

約数の個数: 288

約数和(自身を含む): 863448768

約数和(自身を除く): 648250848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 37, 40, 42, 45, 48, 56, 60, 63, 70, 72, 74, 80, 84, 90, 96, 105, 111, 112, 120, 126, 140, 144, 148, 160, 168, 180, 185, 210, 222, 224, 240, 252, 259, 280, 288, 296, 315, 333, 336, 360, 370, 420, 444, 480, 504, 518, 555, 560, 577, 592, 630, 666, 672, 720, 740, 777, 840, 888, 1008, 1036, 1110, 1120, 1154, 1184, 1260, 1295, 1332, 1440, 1480, 1554, 1665, 1680, 1731, 1776, 2016, 2072, 2220, 2308, 2331, 2520, 2590, 2664, 2885, 2960, 3108, 3330, 3360, 3462, 3552, 3885, 4039, 4144, 4440, 4616, 4662, 5040, 5180, 5193, 5328, 5770, 5920, 6216, 6660, 6924, 7770, 8078, 8288, 8655, 8880, 9232, 9324, 10080, 10360, 10386, 10656, 11540, 11655, 12117, 12432, 13320, 13848, 15540, 16156, 17310, 17760, 18464, 18648, 20195, 20720, 20772, 21349, 23080, 23310, 24234, 24864, 25965, 26640, 27696, 31080, 32312, 34620, 36351, 37296, 40390, 41440, 41544, 42698, 46160, 46620, 48468, 51930, 53280, 55392, 60585, 62160, 64047, 64624, 69240, 72702, 74592, 80780, 83088, 85396, 92320, 93240, 96936, 103860, 106745, 121170, 124320, 128094, 129248, 138480, 145404, 149443, 161560, 166176, 170792, 181755, 186480, 192141, 193872, 207720, 213490, 242340, 256188, 276960, 290808, 298886, 320235, 323120, 341584, 363510, 372960, 384282, 387744, 415440, 426980, 448329, 484680, 512376, 581616, 597772, 640470, 646240, 683168, 727020, 747215, 768564, 830880, 853960, 896658, 960705, 969360, 1024752, 1163232, 1195544, 1280940, 1344987, 1454040, 1494430, 1537128, 1707920, 1793316, 1921410, 1938720, 2049504, 2241645, 2391088, 2561880, 2689974, 2908080, 2988860, 3074256, 3415840, 3586632, 3842820, 4483290, 4782176, 5123760, 5379948, 5816160, 5977720, 6148512, 6724935, 7173264, 7685640, 8966580, 10247520, 10759896, 11955440, 13449870, 14346528, 15371280, 17933160, 21519792, 23910880, 26899740, 30742560, 35866320, 43039584, 53799480, 71732640, 107598960, 215197920]

約数ペア:

[(1, 215197920), (2, 107598960), (3, 71732640), (4, 53799480), (5, 43039584), (6, 35866320), (7, 30742560), (8, 26899740), (9, 23910880), (10, 21519792), (12, 17933160), (14, 15371280), (15, 14346528), (16, 13449870), (18, 11955440), (20, 10759896), (21, 10247520), (24, 8966580), (28, 7685640), (30, 7173264), (32, 6724935), (35, 6148512), (36, 5977720), (37, 5816160), (40, 5379948), (42, 5123760), (45, 4782176), (48, 4483290), (56, 3842820), (60, 3586632), (63, 3415840), (70, 3074256), (72, 2988860), (74, 2908080), (80, 2689974), (84, 2561880), (90, 2391088), (96, 2241645), (105, 2049504), (111, 1938720), (112, 1921410), (120, 1793316), (126, 1707920), (140, 1537128), (144, 1494430), (148, 1454040), (160, 1344987), (168, 1280940), (180, 1195544), (185, 1163232), (210, 1024752), (222, 969360), (224, 960705), (240, 896658), (252, 853960), (259, 830880), (280, 768564), (288, 747215), (296, 727020), (315, 683168), (333, 646240), (336, 640470), (360, 597772), (370, 581616), (420, 512376), (444, 484680), (480, 448329), (504, 426980), (518, 415440), (555, 387744), (560, 384282), (577, 372960), (592, 363510), (630, 341584), (666, 323120), (672, 320235), (720, 298886), (740, 290808), (777, 276960), (840, 256188), (888, 242340), (1008, 213490), (1036, 207720), (1110, 193872), (1120, 192141), (1154, 186480), (1184, 181755), (1260, 170792), (1295, 166176), (1332, 161560), (1440, 149443), (1480, 145404), (1554, 138480), (1665, 129248), (1680, 128094), (1731, 124320), (1776, 121170), (2016, 106745), (2072, 103860), (2220, 96936), (2308, 93240), (2331, 92320), (2520, 85396), (2590, 83088), (2664, 80780), (2885, 74592), (2960, 72702), (3108, 69240), (3330, 64624), (3360, 64047), (3462, 62160), (3552, 60585), (3885, 55392), (4039, 53280), (4144, 51930), (4440, 48468), (4616, 46620), (4662, 46160), (5040, 42698), (5180, 41544), (5193, 41440), (5328, 40390), (5770, 37296), (5920, 36351), (6216, 34620), (6660, 32312), (6924, 31080), (7770, 27696), (8078, 26640), (8288, 25965), (8655, 24864), (8880, 24234), (9232, 23310), (9324, 23080), (10080, 21349), (10360, 20772), (10386, 20720), (10656, 20195), (11540, 18648), (11655, 18464), (12117, 17760), (12432, 17310), (13320, 16156), (13848, 15540)]