20128781728

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:252

約数の個数: 288

約数和(自身を含む): 48214776960

約数和(自身を除く): 28085995232

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 59, 68, 71, 73, 88, 118, 121, 136, 142, 146, 176, 187, 236, 242, 272, 284, 292, 352, 374, 472, 484, 544, 568, 584, 649, 748, 781, 803, 944, 968, 1003, 1136, 1168, 1207, 1241, 1298, 1496, 1562, 1606, 1888, 1936, 2006, 2057, 2272, 2336, 2414, 2482, 2596, 2992, 3124, 3212, 3872, 4012, 4114, 4189, 4307, 4828, 4964, 5183, 5192, 5984, 6248, 6424, 7139, 8024, 8228, 8378, 8591, 8614, 8833, 9656, 9928, 10366, 10384, 11033, 12496, 12848, 13277, 13651, 14278, 16048, 16456, 16756, 17182, 17228, 17666, 19312, 19856, 20732, 20768, 22066, 24992, 25696, 26554, 27302, 28556, 32096, 32912, 33512, 34364, 34456, 35332, 38624, 39712, 41464, 44132, 46079, 47377, 53108, 54604, 57013, 57112, 65824, 67024, 68728, 68912, 70664, 71213, 73219, 82928, 88111, 88264, 92158, 94754, 106216, 109208, 114026, 114224, 121363, 134048, 137456, 137824, 141328, 142426, 146047, 146438, 150161, 165856, 176222, 176528, 184316, 189508, 212432, 218416, 228052, 228448, 242726, 274912, 282656, 284852, 292094, 292876, 300322, 305797, 352444, 353056, 368632, 379016, 424864, 436832, 456104, 485452, 506869, 521147, 569704, 584188, 585752, 600644, 611594, 627143, 704888, 737264, 758032, 783343, 805409, 912208, 969221, 970904, 1013738, 1042294, 1139408, 1168376, 1171504, 1201288, 1223188, 1254286, 1409776, 1474528, 1516064, 1566686, 1610818, 1824416, 1938442, 1941808, 2027476, 2084588, 2278816, 2336752, 2343008, 2402576, 2446376, 2508572, 2819552, 3133372, 3221636, 3363767, 3876884, 3883616, 4054952, 4169176, 4673504, 4805152, 4892752, 5017144, 5198549, 6266744, 6443272, 6727534, 7753768, 8109904, 8338352, 8616773, 8859499, 9785504, 10034288, 10397098, 10661431, 12533488, 12886544, 13455068, 15507536, 16219808, 16676704, 17233546, 17718998, 20068576, 20794196, 21322862, 25066976, 25773088, 26910136, 31015072, 34467092, 35437996, 37001437, 41588392, 42645724, 53820272, 57184039, 68934184, 70875992, 74002874, 83176784, 85291448, 107640544, 114368078, 137868368, 141751984, 148005748, 166353568, 170582896, 228736156, 275736736, 283503968, 296011496, 341165792, 457472312, 592022992, 629024429, 914944624, 1184045984, 1258048858, 1829889248, 2516097716, 5032195432, 10064390864, 20128781728]

約数ペア:

[(1, 20128781728), (2, 10064390864), (4, 5032195432), (8, 2516097716), (11, 1829889248), (16, 1258048858), (17, 1184045984), (22, 914944624), (32, 629024429), (34, 592022992), (44, 457472312), (59, 341165792), (68, 296011496), (71, 283503968), (73, 275736736), (88, 228736156), (118, 170582896), (121, 166353568), (136, 148005748), (142, 141751984), (146, 137868368), (176, 114368078), (187, 107640544), (236, 85291448), (242, 83176784), (272, 74002874), (284, 70875992), (292, 68934184), (352, 57184039), (374, 53820272), (472, 42645724), (484, 41588392), (544, 37001437), (568, 35437996), (584, 34467092), (649, 31015072), (748, 26910136), (781, 25773088), (803, 25066976), (944, 21322862), (968, 20794196), (1003, 20068576), (1136, 17718998), (1168, 17233546), (1207, 16676704), (1241, 16219808), (1298, 15507536), (1496, 13455068), (1562, 12886544), (1606, 12533488), (1888, 10661431), (1936, 10397098), (2006, 10034288), (2057, 9785504), (2272, 8859499), (2336, 8616773), (2414, 8338352), (2482, 8109904), (2596, 7753768), (2992, 6727534), (3124, 6443272), (3212, 6266744), (3872, 5198549), (4012, 5017144), (4114, 4892752), (4189, 4805152), (4307, 4673504), (4828, 4169176), (4964, 4054952), (5183, 3883616), (5192, 3876884), (5984, 3363767), (6248, 3221636), (6424, 3133372), (7139, 2819552), (8024, 2508572), (8228, 2446376), (8378, 2402576), (8591, 2343008), (8614, 2336752), (8833, 2278816), (9656, 2084588), (9928, 2027476), (10366, 1941808), (10384, 1938442), (11033, 1824416), (12496, 1610818), (12848, 1566686), (13277, 1516064), (13651, 1474528), (14278, 1409776), (16048, 1254286), (16456, 1223188), (16756, 1201288), (17182, 1171504), (17228, 1168376), (17666, 1139408), (19312, 1042294), (19856, 1013738), (20732, 970904), (20768, 969221), (22066, 912208), (24992, 805409), (25696, 783343), (26554, 758032), (27302, 737264), (28556, 704888), (32096, 627143), (32912, 611594), (33512, 600644), (34364, 585752), (34456, 584188), (35332, 569704), (38624, 521147), (39712, 506869), (41464, 485452), (44132, 456104), (46079, 436832), (47377, 424864), (53108, 379016), (54604, 368632), (57013, 353056), (57112, 352444), (65824, 305797), (67024, 300322), (68728, 292876), (68912, 292094), (70664, 284852), (71213, 282656), (73219, 274912), (82928, 242726), (88111, 228448), (88264, 228052), (92158, 218416), (94754, 212432), (106216, 189508), (109208, 184316), (114026, 176528), (114224, 176222), (121363, 165856), (134048, 150161), (137456, 146438), (137824, 146047), (141328, 142426)]