491880960

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:643

約数の個数: 240

約数和(自身を含む): 1752595416

約数和(自身を除く): 1260714456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 128, 144, 148, 160, 180, 185, 192, 222, 240, 256, 288, 296, 320, 333, 360, 370, 384, 444, 480, 512, 555, 576, 577, 592, 640, 666, 720, 740, 768, 888, 960, 1110, 1152, 1154, 1184, 1280, 1332, 1440, 1480, 1536, 1665, 1731, 1776, 1920, 2220, 2304, 2308, 2368, 2560, 2664, 2880, 2885, 2960, 3330, 3462, 3552, 3840, 4440, 4608, 4616, 4736, 5193, 5328, 5760, 5770, 5920, 6660, 6924, 7104, 7680, 8655, 8880, 9232, 9472, 10386, 10656, 11520, 11540, 11840, 13320, 13848, 14208, 17310, 17760, 18464, 18944, 20772, 21312, 21349, 23040, 23080, 23680, 25965, 26640, 27696, 28416, 34620, 35520, 36928, 41544, 42624, 42698, 46160, 47360, 51930, 53280, 55392, 56832, 64047, 69240, 71040, 73856, 83088, 85248, 85396, 92320, 94720, 103860, 106560, 106745, 110784, 128094, 138480, 142080, 147712, 166176, 170496, 170792, 184640, 192141, 207720, 213120, 213490, 221568, 256188, 276960, 284160, 295424, 320235, 332352, 341584, 369280, 384282, 415440, 426240, 426980, 443136, 512376, 553920, 640470, 664704, 683168, 738560, 768564, 830880, 852480, 853960, 886272, 960705, 1024752, 1107840, 1280940, 1329408, 1366336, 1477120, 1537128, 1661760, 1707920, 1921410, 2049504, 2215680, 2561880, 2658816, 2732672, 3074256, 3323520, 3415840, 3842820, 4099008, 4431360, 5123760, 5465344, 6148512, 6647040, 6831680, 7685640, 8198016, 10247520, 10930688, 12297024, 13294080, 13663360, 15371280, 16396032, 20495040, 24594048, 27326720, 30742560, 32792064, 40990080, 49188096, 54653440, 61485120, 81980160, 98376192, 122970240, 163960320, 245940480, 491880960]

約数ペア:

[(1, 491880960), (2, 245940480), (3, 163960320), (4, 122970240), (5, 98376192), (6, 81980160), (8, 61485120), (9, 54653440), (10, 49188096), (12, 40990080), (15, 32792064), (16, 30742560), (18, 27326720), (20, 24594048), (24, 20495040), (30, 16396032), (32, 15371280), (36, 13663360), (37, 13294080), (40, 12297024), (45, 10930688), (48, 10247520), (60, 8198016), (64, 7685640), (72, 6831680), (74, 6647040), (80, 6148512), (90, 5465344), (96, 5123760), (111, 4431360), (120, 4099008), (128, 3842820), (144, 3415840), (148, 3323520), (160, 3074256), (180, 2732672), (185, 2658816), (192, 2561880), (222, 2215680), (240, 2049504), (256, 1921410), (288, 1707920), (296, 1661760), (320, 1537128), (333, 1477120), (360, 1366336), (370, 1329408), (384, 1280940), (444, 1107840), (480, 1024752), (512, 960705), (555, 886272), (576, 853960), (577, 852480), (592, 830880), (640, 768564), (666, 738560), (720, 683168), (740, 664704), (768, 640470), (888, 553920), (960, 512376), (1110, 443136), (1152, 426980), (1154, 426240), (1184, 415440), (1280, 384282), (1332, 369280), (1440, 341584), (1480, 332352), (1536, 320235), (1665, 295424), (1731, 284160), (1776, 276960), (1920, 256188), (2220, 221568), (2304, 213490), (2308, 213120), (2368, 207720), (2560, 192141), (2664, 184640), (2880, 170792), (2885, 170496), (2960, 166176), (3330, 147712), (3462, 142080), (3552, 138480), (3840, 128094), (4440, 110784), (4608, 106745), (4616, 106560), (4736, 103860), (5193, 94720), (5328, 92320), (5760, 85396), (5770, 85248), (5920, 83088), (6660, 73856), (6924, 71040), (7104, 69240), (7680, 64047), (8655, 56832), (8880, 55392), (9232, 53280), (9472, 51930), (10386, 47360), (10656, 46160), (11520, 42698), (11540, 42624), (11840, 41544), (13320, 36928), (13848, 35520), (14208, 34620), (17310, 28416), (17760, 27696), (18464, 26640), (18944, 25965), (20772, 23680), (21312, 23080), (21349, 23040)]