491920489440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2607721}}^1$

素因数の和:2607873

約数の個数: 144

約数和(自身を含む): 1691493659856

約数和(自身を除く): 1199573170416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 131, 144, 160, 180, 240, 262, 288, 360, 393, 480, 524, 655, 720, 786, 1048, 1179, 1310, 1440, 1572, 1965, 2096, 2358, 2620, 3144, 3930, 4192, 4716, 5240, 5895, 6288, 7860, 9432, 10480, 11790, 12576, 15720, 18864, 20960, 23580, 31440, 37728, 47160, 62880, 94320, 188640, 2607721, 5215442, 7823163, 10430884, 13038605, 15646326, 20861768, 23469489, 26077210, 31292652, 39115815, 41723536, 46938978, 52154420, 62585304, 78231630, 83447072, 93877956, 104308840, 117347445, 125170608, 156463260, 187755912, 208617680, 234694890, 250341216, 312926520, 341611451, 375511824, 417235360, 469389780, 625853040, 683222902, 751023648, 938779560, 1024834353, 1251706080, 1366445804, 1708057255, 1877559120, 2049668706, 2732891608, 3074503059, 3416114510, 3755118240, 4099337412, 5124171765, 5465783216, 6149006118, 6832229020, 8198674824, 10248343530, 10931566432, 12298012236, 13664458040, 15372515295, 16397349648, 20496687060, 24596024472, 27328916080, 30745030590, 32794699296, 40993374120, 49192048944, 54657832160, 61490061180, 81986748240, 98384097888, 122980122360, 163973496480, 245960244720, 491920489440]

約数ペア:

[(1, 491920489440), (2, 245960244720), (3, 163973496480), (4, 122980122360), (5, 98384097888), (6, 81986748240), (8, 61490061180), (9, 54657832160), (10, 49192048944), (12, 40993374120), (15, 32794699296), (16, 30745030590), (18, 27328916080), (20, 24596024472), (24, 20496687060), (30, 16397349648), (32, 15372515295), (36, 13664458040), (40, 12298012236), (45, 10931566432), (48, 10248343530), (60, 8198674824), (72, 6832229020), (80, 6149006118), (90, 5465783216), (96, 5124171765), (120, 4099337412), (131, 3755118240), (144, 3416114510), (160, 3074503059), (180, 2732891608), (240, 2049668706), (262, 1877559120), (288, 1708057255), (360, 1366445804), (393, 1251706080), (480, 1024834353), (524, 938779560), (655, 751023648), (720, 683222902), (786, 625853040), (1048, 469389780), (1179, 417235360), (1310, 375511824), (1440, 341611451), (1572, 312926520), (1965, 250341216), (2096, 234694890), (2358, 208617680), (2620, 187755912), (3144, 156463260), (3930, 125170608), (4192, 117347445), (4716, 104308840), (5240, 93877956), (5895, 83447072), (6288, 78231630), (7860, 62585304), (9432, 52154420), (10480, 46938978), (11790, 41723536), (12576, 39115815), (15720, 31292652), (18864, 26077210), (20960, 23469489), (23580, 20861768), (31440, 15646326), (37728, 13038605), (47160, 10430884), (62880, 7823163), (94320, 5215442), (188640, 2607721)]