217793520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:652

約数の個数: 240

約数和(自身を含む): 848040960

約数和(自身を除く): 630247440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 79, 80, 84, 90, 105, 112, 120, 126, 140, 144, 158, 168, 180, 210, 237, 240, 252, 280, 315, 316, 336, 360, 395, 420, 474, 504, 547, 553, 560, 630, 632, 711, 720, 790, 840, 948, 1008, 1094, 1106, 1185, 1260, 1264, 1422, 1580, 1641, 1659, 1680, 1896, 2188, 2212, 2370, 2520, 2735, 2765, 2844, 3160, 3282, 3318, 3555, 3792, 3829, 4376, 4424, 4740, 4923, 4977, 5040, 5470, 5530, 5688, 6320, 6564, 6636, 7110, 7658, 8205, 8295, 8752, 8848, 9480, 9846, 9954, 10940, 11060, 11376, 11487, 13128, 13272, 14220, 15316, 16410, 16590, 18960, 19145, 19692, 19908, 21880, 22120, 22974, 24615, 24885, 26256, 26544, 28440, 30632, 32820, 33180, 34461, 38290, 39384, 39816, 43213, 43760, 44240, 45948, 49230, 49770, 56880, 57435, 61264, 65640, 66360, 68922, 76580, 78768, 79632, 86426, 91896, 98460, 99540, 114870, 129639, 131280, 132720, 137844, 153160, 172305, 172852, 183792, 196920, 199080, 216065, 229740, 259278, 275688, 302491, 306320, 344610, 345704, 388917, 393840, 398160, 432130, 459480, 518556, 551376, 604982, 648195, 689220, 691408, 777834, 864260, 907473, 918960, 1037112, 1209964, 1296390, 1378440, 1512455, 1555668, 1728520, 1814946, 1944585, 2074224, 2419928, 2592780, 2722419, 2756880, 3024910, 3111336, 3457040, 3629892, 3889170, 4537365, 4839856, 5185560, 5444838, 6049820, 6222672, 7259784, 7778340, 9074730, 10371120, 10889676, 12099640, 13612095, 14519568, 15556680, 18149460, 21779352, 24199280, 27224190, 31113360, 36298920, 43558704, 54448380, 72597840, 108896760, 217793520]

約数ペア:

[(1, 217793520), (2, 108896760), (3, 72597840), (4, 54448380), (5, 43558704), (6, 36298920), (7, 31113360), (8, 27224190), (9, 24199280), (10, 21779352), (12, 18149460), (14, 15556680), (15, 14519568), (16, 13612095), (18, 12099640), (20, 10889676), (21, 10371120), (24, 9074730), (28, 7778340), (30, 7259784), (35, 6222672), (36, 6049820), (40, 5444838), (42, 5185560), (45, 4839856), (48, 4537365), (56, 3889170), (60, 3629892), (63, 3457040), (70, 3111336), (72, 3024910), (79, 2756880), (80, 2722419), (84, 2592780), (90, 2419928), (105, 2074224), (112, 1944585), (120, 1814946), (126, 1728520), (140, 1555668), (144, 1512455), (158, 1378440), (168, 1296390), (180, 1209964), (210, 1037112), (237, 918960), (240, 907473), (252, 864260), (280, 777834), (315, 691408), (316, 689220), (336, 648195), (360, 604982), (395, 551376), (420, 518556), (474, 459480), (504, 432130), (547, 398160), (553, 393840), (560, 388917), (630, 345704), (632, 344610), (711, 306320), (720, 302491), (790, 275688), (840, 259278), (948, 229740), (1008, 216065), (1094, 199080), (1106, 196920), (1185, 183792), (1260, 172852), (1264, 172305), (1422, 153160), (1580, 137844), (1641, 132720), (1659, 131280), (1680, 129639), (1896, 114870), (2188, 99540), (2212, 98460), (2370, 91896), (2520, 86426), (2735, 79632), (2765, 78768), (2844, 76580), (3160, 68922), (3282, 66360), (3318, 65640), (3555, 61264), (3792, 57435), (3829, 56880), (4376, 49770), (4424, 49230), (4740, 45948), (4923, 44240), (4977, 43760), (5040, 43213), (5470, 39816), (5530, 39384), (5688, 38290), (6320, 34461), (6564, 33180), (6636, 32820), (7110, 30632), (7658, 28440), (8205, 26544), (8295, 26256), (8752, 24885), (8848, 24615), (9480, 22974), (9846, 22120), (9954, 21880), (10940, 19908), (11060, 19692), (11376, 19145), (11487, 18960), (13128, 16590), (13272, 16410), (14220, 15316)]