421673280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:637

約数の個数: 224

約数和(自身を含む): 1544970240

約数和(自身を除く): 1123296960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 131, 140, 160, 168, 192, 210, 224, 240, 262, 280, 320, 336, 393, 420, 448, 479, 480, 524, 560, 655, 672, 786, 840, 917, 958, 960, 1048, 1120, 1310, 1344, 1437, 1572, 1680, 1834, 1916, 1965, 2096, 2240, 2395, 2620, 2751, 2874, 3144, 3353, 3360, 3668, 3832, 3930, 4192, 4585, 4790, 5240, 5502, 5748, 6288, 6706, 6720, 7185, 7336, 7664, 7860, 8384, 9170, 9580, 10059, 10480, 11004, 11496, 12576, 13412, 13755, 14370, 14672, 15328, 15720, 16765, 18340, 19160, 20118, 20960, 22008, 22992, 25152, 26824, 27510, 28740, 29344, 30656, 31440, 33530, 36680, 38320, 40236, 41920, 44016, 45984, 50295, 53648, 55020, 57480, 58688, 62749, 62880, 67060, 73360, 76640, 80472, 88032, 91968, 100590, 107296, 110040, 114960, 125498, 125760, 134120, 146720, 153280, 160944, 176064, 188247, 201180, 214592, 220080, 229920, 250996, 268240, 293440, 313745, 321888, 376494, 402360, 439243, 440160, 459840, 501992, 536480, 627490, 643776, 752988, 804720, 878486, 880320, 941235, 1003984, 1072960, 1254980, 1317729, 1505976, 1609440, 1756972, 1882470, 2007968, 2196215, 2509960, 2635458, 3011952, 3218880, 3513944, 3764940, 4015936, 4392430, 5019920, 5270916, 6023904, 6588645, 7027888, 7529880, 8784860, 10039840, 10541832, 12047808, 13177290, 14055776, 15059760, 17569720, 20079680, 21083664, 26354580, 28111552, 30119520, 35139440, 42167328, 52709160, 60239040, 70278880, 84334656, 105418320, 140557760, 210836640, 421673280]

約数ペア:

[(1, 421673280), (2, 210836640), (3, 140557760), (4, 105418320), (5, 84334656), (6, 70278880), (7, 60239040), (8, 52709160), (10, 42167328), (12, 35139440), (14, 30119520), (15, 28111552), (16, 26354580), (20, 21083664), (21, 20079680), (24, 17569720), (28, 15059760), (30, 14055776), (32, 13177290), (35, 12047808), (40, 10541832), (42, 10039840), (48, 8784860), (56, 7529880), (60, 7027888), (64, 6588645), (70, 6023904), (80, 5270916), (84, 5019920), (96, 4392430), (105, 4015936), (112, 3764940), (120, 3513944), (131, 3218880), (140, 3011952), (160, 2635458), (168, 2509960), (192, 2196215), (210, 2007968), (224, 1882470), (240, 1756972), (262, 1609440), (280, 1505976), (320, 1317729), (336, 1254980), (393, 1072960), (420, 1003984), (448, 941235), (479, 880320), (480, 878486), (524, 804720), (560, 752988), (655, 643776), (672, 627490), (786, 536480), (840, 501992), (917, 459840), (958, 440160), (960, 439243), (1048, 402360), (1120, 376494), (1310, 321888), (1344, 313745), (1437, 293440), (1572, 268240), (1680, 250996), (1834, 229920), (1916, 220080), (1965, 214592), (2096, 201180), (2240, 188247), (2395, 176064), (2620, 160944), (2751, 153280), (2874, 146720), (3144, 134120), (3353, 125760), (3360, 125498), (3668, 114960), (3832, 110040), (3930, 107296), (4192, 100590), (4585, 91968), (4790, 88032), (5240, 80472), (5502, 76640), (5748, 73360), (6288, 67060), (6706, 62880), (6720, 62749), (7185, 58688), (7336, 57480), (7664, 55020), (7860, 53648), (8384, 50295), (9170, 45984), (9580, 44016), (10059, 41920), (10480, 40236), (11004, 38320), (11496, 36680), (12576, 33530), (13412, 31440), (13755, 30656), (14370, 29344), (14672, 28740), (15328, 27510), (15720, 26824), (16765, 25152), (18340, 22992), (19160, 22008), (20118, 20960)]