1978383792

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{557}}^1$

素因数の和:648

約数の個数: 240

約数和(自身を含む): 6595934976

約数和(自身を除く): 4617551184

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 31, 33, 42, 44, 48, 56, 62, 66, 77, 84, 88, 93, 112, 124, 132, 154, 168, 176, 186, 217, 231, 248, 264, 308, 336, 341, 372, 434, 462, 496, 528, 557, 616, 651, 682, 744, 868, 924, 961, 1023, 1114, 1232, 1302, 1364, 1488, 1671, 1736, 1848, 1922, 2046, 2228, 2387, 2604, 2728, 2883, 3342, 3472, 3696, 3844, 3899, 4092, 4456, 4774, 5208, 5456, 5766, 6127, 6684, 6727, 7161, 7688, 7798, 8184, 8912, 9548, 10416, 10571, 11532, 11697, 12254, 13368, 13454, 14322, 15376, 15596, 16368, 17267, 18381, 19096, 20181, 21142, 23064, 23394, 24508, 26736, 26908, 28644, 31192, 31713, 34534, 36762, 38192, 40362, 42284, 42889, 46128, 46788, 49016, 51801, 53816, 57288, 62384, 63426, 69068, 73524, 73997, 80724, 84568, 85778, 93576, 98032, 103602, 107632, 114576, 120869, 126852, 128667, 138136, 147048, 147994, 161448, 169136, 171556, 187152, 189937, 207204, 221991, 241738, 253704, 257334, 276272, 294096, 295988, 322896, 343112, 362607, 379874, 414408, 443982, 483476, 507408, 514668, 535277, 569811, 591976, 686224, 725214, 759748, 828816, 887964, 966952, 1029336, 1070554, 1139622, 1183952, 1329559, 1450428, 1519496, 1605831, 1775928, 1933904, 2058672, 2141108, 2279244, 2659118, 2900856, 3038992, 3211662, 3551856, 3746939, 3988677, 4282216, 4558488, 5318236, 5801712, 5888047, 6423324, 7493878, 7977354, 8564432, 9116976, 10636472, 11240817, 11776094, 12846648, 14987756, 15954708, 17664141, 21272944, 22481634, 23552188, 25693296, 29975512, 31909416, 35328282, 41216329, 44963268, 47104376, 59951024, 63818832, 70656564, 82432658, 89926536, 94208752, 123648987, 141313128, 164865316, 179853072, 247297974, 282626256, 329730632, 494595948, 659461264, 989191896, 1978383792]

約数ペア:

[(1, 1978383792), (2, 989191896), (3, 659461264), (4, 494595948), (6, 329730632), (7, 282626256), (8, 247297974), (11, 179853072), (12, 164865316), (14, 141313128), (16, 123648987), (21, 94208752), (22, 89926536), (24, 82432658), (28, 70656564), (31, 63818832), (33, 59951024), (42, 47104376), (44, 44963268), (48, 41216329), (56, 35328282), (62, 31909416), (66, 29975512), (77, 25693296), (84, 23552188), (88, 22481634), (93, 21272944), (112, 17664141), (124, 15954708), (132, 14987756), (154, 12846648), (168, 11776094), (176, 11240817), (186, 10636472), (217, 9116976), (231, 8564432), (248, 7977354), (264, 7493878), (308, 6423324), (336, 5888047), (341, 5801712), (372, 5318236), (434, 4558488), (462, 4282216), (496, 3988677), (528, 3746939), (557, 3551856), (616, 3211662), (651, 3038992), (682, 2900856), (744, 2659118), (868, 2279244), (924, 2141108), (961, 2058672), (1023, 1933904), (1114, 1775928), (1232, 1605831), (1302, 1519496), (1364, 1450428), (1488, 1329559), (1671, 1183952), (1736, 1139622), (1848, 1070554), (1922, 1029336), (2046, 966952), (2228, 887964), (2387, 828816), (2604, 759748), (2728, 725214), (2883, 686224), (3342, 591976), (3472, 569811), (3696, 535277), (3844, 514668), (3899, 507408), (4092, 483476), (4456, 443982), (4774, 414408), (5208, 379874), (5456, 362607), (5766, 343112), (6127, 322896), (6684, 295988), (6727, 294096), (7161, 276272), (7688, 257334), (7798, 253704), (8184, 241738), (8912, 221991), (9548, 207204), (10416, 189937), (10571, 187152), (11532, 171556), (11697, 169136), (12254, 161448), (13368, 147994), (13454, 147048), (14322, 138136), (15376, 128667), (15596, 126852), (16368, 120869), (17267, 114576), (18381, 107632), (19096, 103602), (20181, 98032), (21142, 93576), (23064, 85778), (23394, 84568), (24508, 80724), (26736, 73997), (26908, 73524), (28644, 69068), (31192, 63426), (31713, 62384), (34534, 57288), (36762, 53816), (38192, 51801), (40362, 49016), (42284, 46788), (42889, 46128)]