321990552

素因数分解:

$2^3\times 3^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 224

約数和(自身を含む): 1013604480

約数和(自身を除く): 691613928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 31, 36, 39, 52, 54, 62, 72, 78, 81, 93, 104, 108, 117, 124, 137, 156, 162, 186, 216, 234, 243, 248, 274, 279, 312, 324, 351, 372, 403, 411, 468, 486, 548, 558, 648, 702, 729, 744, 806, 822, 837, 936, 972, 1053, 1096, 1116, 1209, 1233, 1404, 1458, 1612, 1644, 1674, 1781, 1944, 2106, 2232, 2418, 2466, 2511, 2808, 2916, 3159, 3224, 3288, 3348, 3562, 3627, 3699, 4212, 4247, 4836, 4932, 5022, 5343, 5832, 6318, 6696, 7124, 7254, 7398, 7533, 8424, 8494, 9477, 9672, 9864, 10044, 10686, 10881, 11097, 12636, 12741, 14248, 14508, 14796, 15066, 16029, 16988, 18954, 20088, 21372, 21762, 22194, 22599, 25272, 25482, 29016, 29592, 30132, 32058, 32643, 33291, 33976, 37908, 38223, 42744, 43524, 44388, 45198, 48087, 50964, 55211, 60264, 64116, 65286, 66582, 75816, 76446, 87048, 88776, 90396, 96174, 97929, 99873, 101928, 110422, 114669, 128232, 130572, 133164, 144261, 152892, 165633, 180792, 192348, 195858, 199746, 220844, 229338, 261144, 266328, 288522, 293787, 305784, 331266, 344007, 384696, 391716, 399492, 432783, 441688, 458676, 496899, 577044, 587574, 662532, 688014, 783432, 798984, 865566, 917352, 993798, 1032021, 1154088, 1175148, 1298349, 1325064, 1376028, 1490697, 1731132, 1987596, 2064042, 2350296, 2596698, 2752056, 2981394, 3096063, 3462264, 3975192, 4128084, 4472091, 5193396, 5962788, 6192126, 8256168, 8944182, 10386792, 11925576, 12384252, 13416273, 17888364, 24768504, 26832546, 35776728, 40248819, 53665092, 80497638, 107330184, 160995276, 321990552]

約数ペア:

[(1, 321990552), (2, 160995276), (3, 107330184), (4, 80497638), (6, 53665092), (8, 40248819), (9, 35776728), (12, 26832546), (13, 24768504), (18, 17888364), (24, 13416273), (26, 12384252), (27, 11925576), (31, 10386792), (36, 8944182), (39, 8256168), (52, 6192126), (54, 5962788), (62, 5193396), (72, 4472091), (78, 4128084), (81, 3975192), (93, 3462264), (104, 3096063), (108, 2981394), (117, 2752056), (124, 2596698), (137, 2350296), (156, 2064042), (162, 1987596), (186, 1731132), (216, 1490697), (234, 1376028), (243, 1325064), (248, 1298349), (274, 1175148), (279, 1154088), (312, 1032021), (324, 993798), (351, 917352), (372, 865566), (403, 798984), (411, 783432), (468, 688014), (486, 662532), (548, 587574), (558, 577044), (648, 496899), (702, 458676), (729, 441688), (744, 432783), (806, 399492), (822, 391716), (837, 384696), (936, 344007), (972, 331266), (1053, 305784), (1096, 293787), (1116, 288522), (1209, 266328), (1233, 261144), (1404, 229338), (1458, 220844), (1612, 199746), (1644, 195858), (1674, 192348), (1781, 180792), (1944, 165633), (2106, 152892), (2232, 144261), (2418, 133164), (2466, 130572), (2511, 128232), (2808, 114669), (2916, 110422), (3159, 101928), (3224, 99873), (3288, 97929), (3348, 96174), (3562, 90396), (3627, 88776), (3699, 87048), (4212, 76446), (4247, 75816), (4836, 66582), (4932, 65286), (5022, 64116), (5343, 60264), (5832, 55211), (6318, 50964), (6696, 48087), (7124, 45198), (7254, 44388), (7398, 43524), (7533, 42744), (8424, 38223), (8494, 37908), (9477, 33976), (9672, 33291), (9864, 32643), (10044, 32058), (10686, 30132), (10881, 29592), (11097, 29016), (12636, 25482), (12741, 25272), (14248, 22599), (14508, 22194), (14796, 21762), (15066, 21372), (16029, 20088), (16988, 18954)]