221221769760

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1335

約数の個数: 960

約数和(自身を含む): 891122601600

約数和(自身を除く): 669900831840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 27, 30, 32, 34, 36, 38, 40, 43, 45, 48, 51, 54, 57, 60, 68, 72, 76, 80, 81, 85, 86, 90, 95, 96, 102, 108, 114, 120, 129, 135, 136, 144, 152, 153, 160, 162, 170, 171, 172, 180, 190, 204, 215, 216, 228, 240, 255, 258, 270, 272, 285, 288, 304, 306, 323, 324, 340, 342, 344, 360, 380, 387, 405, 408, 430, 432, 456, 459, 480, 510, 513, 516, 540, 544, 570, 608, 612, 645, 646, 648, 680, 684, 688, 720, 731, 760, 765, 774, 810, 816, 817, 855, 860, 864, 912, 918, 969, 1020, 1026, 1032, 1080, 1140, 1161, 1224, 1229, 1290, 1292, 1296, 1360, 1368, 1376, 1377, 1440, 1462, 1520, 1530, 1539, 1548, 1615, 1620, 1632, 1634, 1710, 1720, 1824, 1836, 1935, 1938, 2040, 2052, 2064, 2160, 2193, 2280, 2295, 2322, 2448, 2451, 2458, 2565, 2580, 2584, 2592, 2720, 2736, 2754, 2907, 2924, 3040, 3060, 3078, 3096, 3230, 3240, 3268, 3420, 3440, 3483, 3655, 3672, 3687, 3870, 3876, 4080, 4085, 4104, 4128, 4320, 4386, 4560, 4590, 4644, 4845, 4896, 4902, 4916, 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約数ペア:

[(1, 221221769760), (2, 110610884880), (3, 73740589920), (4, 55305442440), (5, 44244353952), (6, 36870294960), (8, 27652721220), (9, 24580196640), (10, 22122176976), (12, 18435147480), (15, 14748117984), (16, 13826360610), (17, 13013045280), (18, 12290098320), (19, 11643251040), (20, 11061088488), (24, 9217573740), (27, 8193398880), (30, 7374058992), (32, 6913180305), (34, 6506522640), (36, 6145049160), (38, 5821625520), (40, 5530544244), (43, 5144692320), (45, 4916039328), (48, 4608786870), (51, 4337681760), (54, 4096699440), (57, 3881083680), (60, 3687029496), (68, 3253261320), (72, 3072524580), (76, 2910812760), (80, 2765272122), (81, 2731132960), (85, 2602609056), (86, 2572346160), (90, 2458019664), (95, 2328650208), (96, 2304393435), (102, 2168840880), (108, 2048349720), (114, 1940541840), (120, 1843514748), (129, 1714897440), (135, 1638679776), (136, 1626630660), (144, 1536262290), (152, 1455406380), (153, 1445893920), (160, 1382636061), (162, 1365566480), (170, 1301304528), (171, 1293694560), (172, 1286173080), (180, 1229009832), (190, 1164325104), (204, 1084420440), (215, 1028938464), (216, 1024174860), (228, 970270920), (240, 921757374), (255, 867536352), (258, 857448720), (270, 819339888), (272, 813315330), (285, 776216736), (288, 768131145), (304, 727703190), (306, 722946960), (323, 684897120), (324, 682783240), (340, 650652264), (342, 646847280), (344, 643086540), (360, 614504916), (380, 582162552), (387, 571632480), (405, 546226592), (408, 542210220), (430, 514469232), (432, 512087430), (456, 485135460), (459, 481964640), (480, 460878687), (510, 433768176), (513, 431231520), (516, 428724360), (540, 409669944), (544, 406657665), (570, 388108368), (608, 363851595), (612, 361473480), (645, 342979488), (646, 342448560), (648, 341391620), (680, 325326132), (684, 323423640), (688, 321543270), (720, 307252458), (731, 302628960), (760, 291081276), (765, 289178784), (774, 285816240), (810, 273113296), (816, 271105110), (817, 270773280), (855, 258738912), 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