664997424

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{239}}^1$

素因数の和:297

約数の個数: 240

約数和(自身を含む): 2178432000

約数和(自身を除く): 1513434576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 78, 84, 91, 98, 104, 112, 147, 156, 168, 169, 182, 196, 208, 239, 273, 294, 312, 336, 338, 343, 364, 392, 478, 507, 546, 588, 624, 637, 676, 686, 717, 728, 784, 956, 1014, 1029, 1092, 1176, 1183, 1274, 1352, 1372, 1434, 1456, 1673, 1911, 1912, 2028, 2058, 2184, 2352, 2366, 2548, 2704, 2744, 2868, 3107, 3346, 3549, 3822, 3824, 4056, 4116, 4368, 4459, 4732, 5019, 5096, 5488, 5736, 6214, 6692, 7098, 7644, 8112, 8232, 8281, 8918, 9321, 9464, 10038, 10192, 11472, 11711, 12428, 13377, 13384, 14196, 15288, 16464, 16562, 17836, 18642, 18928, 20076, 21749, 23422, 24843, 24856, 26754, 26768, 28392, 30576, 33124, 35133, 35672, 37284, 40152, 40391, 43498, 46844, 49686, 49712, 53508, 56784, 57967, 65247, 66248, 70266, 71344, 74568, 80304, 80782, 81977, 86996, 93688, 99372, 107016, 115934, 121173, 130494, 132496, 140532, 149136, 152243, 161564, 163954, 173901, 173992, 187376, 198744, 214032, 231868, 242346, 245931, 260988, 281064, 282737, 304486, 323128, 327908, 347802, 347984, 397488, 456729, 463736, 484692, 491862, 521976, 562128, 565474, 608972, 646256, 655816, 695604, 848211, 913458, 927472, 969384, 983724, 1043952, 1065701, 1130948, 1217944, 1311632, 1391208, 1696422, 1826916, 1938768, 1967448, 1979159, 2131402, 2261896, 2435888, 2782416, 3197103, 3392844, 3653832, 3934896, 3958318, 4262804, 4523792, 5937477, 6394206, 6785688, 7307664, 7916636, 8525608, 11874954, 12788412, 13571376, 13854113, 15833272, 17051216, 23749908, 25576824, 27708226, 31666544, 41562339, 47499816, 51153648, 55416452, 83124678, 94999632, 110832904, 166249356, 221665808, 332498712, 664997424]

約数ペア:

[(1, 664997424), (2, 332498712), (3, 221665808), (4, 166249356), (6, 110832904), (7, 94999632), (8, 83124678), (12, 55416452), (13, 51153648), (14, 47499816), (16, 41562339), (21, 31666544), (24, 27708226), (26, 25576824), (28, 23749908), (39, 17051216), (42, 15833272), (48, 13854113), (49, 13571376), (52, 12788412), (56, 11874954), (78, 8525608), (84, 7916636), (91, 7307664), (98, 6785688), (104, 6394206), (112, 5937477), (147, 4523792), (156, 4262804), (168, 3958318), (169, 3934896), (182, 3653832), (196, 3392844), (208, 3197103), (239, 2782416), (273, 2435888), (294, 2261896), (312, 2131402), (336, 1979159), (338, 1967448), (343, 1938768), (364, 1826916), (392, 1696422), (478, 1391208), (507, 1311632), (546, 1217944), (588, 1130948), (624, 1065701), (637, 1043952), (676, 983724), (686, 969384), (717, 927472), (728, 913458), (784, 848211), (956, 695604), (1014, 655816), (1029, 646256), (1092, 608972), (1176, 565474), (1183, 562128), (1274, 521976), (1352, 491862), (1372, 484692), (1434, 463736), (1456, 456729), (1673, 397488), (1911, 347984), (1912, 347802), (2028, 327908), (2058, 323128), (2184, 304486), (2352, 282737), (2366, 281064), (2548, 260988), (2704, 245931), (2744, 242346), (2868, 231868), (3107, 214032), (3346, 198744), (3549, 187376), (3822, 173992), (3824, 173901), (4056, 163954), (4116, 161564), (4368, 152243), (4459, 149136), (4732, 140532), (5019, 132496), (5096, 130494), (5488, 121173), (5736, 115934), (6214, 107016), (6692, 99372), (7098, 93688), (7644, 86996), (8112, 81977), (8232, 80782), (8281, 80304), (8918, 74568), (9321, 71344), (9464, 70266), (10038, 66248), (10192, 65247), (11472, 57967), (11711, 56784), (12428, 53508), (13377, 49712), (13384, 49686), (14196, 46844), (15288, 43498), (16464, 40391), (16562, 40152), (17836, 37284), (18642, 35672), (18928, 35133), (20076, 33124), (21749, 30576), (23422, 28392), (24843, 26768), (24856, 26754)]