438687480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:470

約数の個数: 256

約数和(自身を含む): 1655976960

約数和(自身を除く): 1217289480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 197, 210, 220, 231, 241, 264, 280, 308, 330, 385, 394, 420, 440, 462, 482, 591, 616, 660, 723, 770, 788, 840, 924, 964, 985, 1155, 1182, 1205, 1320, 1379, 1446, 1540, 1576, 1687, 1848, 1928, 1970, 2167, 2310, 2364, 2410, 2651, 2758, 2892, 2955, 3080, 3374, 3615, 3940, 4137, 4334, 4620, 4728, 4820, 5061, 5302, 5516, 5784, 5910, 6501, 6748, 6895, 7230, 7880, 7953, 8274, 8435, 8668, 9240, 9640, 10122, 10604, 10835, 11032, 11820, 13002, 13255, 13496, 13790, 14460, 15169, 15906, 16548, 16870, 17336, 18557, 20244, 20685, 21208, 21670, 23640, 25305, 26004, 26510, 27580, 28920, 30338, 31812, 32505, 33096, 33740, 37114, 39765, 40488, 41370, 43340, 45507, 47477, 50610, 52008, 53020, 55160, 55671, 60676, 63624, 65010, 67480, 74228, 75845, 79530, 82740, 86680, 91014, 92785, 94954, 101220, 106040, 111342, 121352, 130020, 142431, 148456, 151690, 159060, 165480, 182028, 185570, 189908, 202440, 222684, 227535, 237385, 260040, 278355, 284862, 303380, 318120, 332339, 364056, 371140, 379816, 445368, 455070, 474770, 522247, 556710, 569724, 606760, 664678, 712155, 742280, 910140, 949540, 997017, 1044494, 1113420, 1139448, 1329356, 1424310, 1566741, 1661695, 1820280, 1899080, 1994034, 2088988, 2226840, 2611235, 2658712, 2848620, 3133482, 3323390, 3655729, 3988068, 4177976, 4985085, 5222470, 5697240, 6266964, 6646780, 7311458, 7833705, 7976136, 9970170, 10444940, 10967187, 12533928, 13293560, 14622916, 15667410, 18278645, 19940340, 20889880, 21934374, 29245832, 31334820, 36557290, 39880680, 43868748, 54835935, 62669640, 73114580, 87737496, 109671870, 146229160, 219343740, 438687480]

約数ペア:

[(1, 438687480), (2, 219343740), (3, 146229160), (4, 109671870), (5, 87737496), (6, 73114580), (7, 62669640), (8, 54835935), (10, 43868748), (11, 39880680), (12, 36557290), (14, 31334820), (15, 29245832), (20, 21934374), (21, 20889880), (22, 19940340), (24, 18278645), (28, 15667410), (30, 14622916), (33, 13293560), (35, 12533928), (40, 10967187), (42, 10444940), (44, 9970170), (55, 7976136), (56, 7833705), (60, 7311458), (66, 6646780), (70, 6266964), (77, 5697240), (84, 5222470), (88, 4985085), (105, 4177976), (110, 3988068), (120, 3655729), (132, 3323390), (140, 3133482), (154, 2848620), (165, 2658712), (168, 2611235), (197, 2226840), (210, 2088988), (220, 1994034), (231, 1899080), (241, 1820280), (264, 1661695), (280, 1566741), (308, 1424310), (330, 1329356), (385, 1139448), (394, 1113420), (420, 1044494), (440, 997017), (462, 949540), (482, 910140), (591, 742280), (616, 712155), (660, 664678), (723, 606760), (770, 569724), (788, 556710), (840, 522247), (924, 474770), (964, 455070), (985, 445368), (1155, 379816), (1182, 371140), (1205, 364056), (1320, 332339), (1379, 318120), (1446, 303380), (1540, 284862), (1576, 278355), (1687, 260040), (1848, 237385), (1928, 227535), (1970, 222684), (2167, 202440), (2310, 189908), (2364, 185570), (2410, 182028), (2651, 165480), (2758, 159060), (2892, 151690), (2955, 148456), (3080, 142431), (3374, 130020), (3615, 121352), (3940, 111342), (4137, 106040), (4334, 101220), (4620, 94954), (4728, 92785), (4820, 91014), (5061, 86680), (5302, 82740), (5516, 79530), (5784, 75845), (5910, 74228), (6501, 67480), (6748, 65010), (6895, 63624), (7230, 60676), (7880, 55671), (7953, 55160), (8274, 53020), (8435, 52008), (8668, 50610), (9240, 47477), (9640, 45507), (10122, 43340), (10604, 41370), (10835, 40488), (11032, 39765), (11820, 37114), (13002, 33740), (13255, 33096), (13496, 32505), (13790, 31812), (14460, 30338), (15169, 28920), (15906, 27580), (16548, 26510), (16870, 26004), (17336, 25305), (18557, 23640), (20244, 21670), (20685, 21208)]