145920640

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 367053120

約数和(自身を除く): 221132480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 67, 80, 82, 83, 128, 134, 160, 164, 166, 205, 268, 320, 328, 332, 335, 410, 415, 536, 640, 656, 664, 670, 820, 830, 1072, 1312, 1328, 1340, 1640, 1660, 2144, 2624, 2656, 2680, 2747, 3280, 3320, 3403, 4288, 5248, 5312, 5360, 5494, 5561, 6560, 6640, 6806, 8576, 10624, 10720, 10988, 11122, 13120, 13280, 13612, 13735, 17015, 21440, 21976, 22244, 26240, 26560, 27224, 27470, 27805, 34030, 42880, 43952, 44488, 53120, 54448, 54940, 55610, 68060, 87904, 88976, 108896, 109880, 111220, 136120, 175808, 177952, 217792, 219760, 222440, 228001, 272240, 351616, 355904, 435584, 439520, 444880, 456002, 544480, 711808, 879040, 889760, 912004, 1088960, 1140005, 1758080, 1779520, 1824008, 2177920, 2280010, 3559040, 3648016, 4560020, 7296032, 9120040, 14592064, 18240080, 29184128, 36480160, 72960320, 145920640]

約数ペア:

[(1, 145920640), (2, 72960320), (4, 36480160), (5, 29184128), (8, 18240080), (10, 14592064), (16, 9120040), (20, 7296032), (32, 4560020), (40, 3648016), (41, 3559040), (64, 2280010), (67, 2177920), (80, 1824008), (82, 1779520), (83, 1758080), (128, 1140005), (134, 1088960), (160, 912004), (164, 889760), (166, 879040), (205, 711808), (268, 544480), (320, 456002), (328, 444880), (332, 439520), (335, 435584), (410, 355904), (415, 351616), (536, 272240), (640, 228001), (656, 222440), (664, 219760), (670, 217792), (820, 177952), (830, 175808), (1072, 136120), (1312, 111220), (1328, 109880), (1340, 108896), (1640, 88976), (1660, 87904), (2144, 68060), (2624, 55610), (2656, 54940), (2680, 54448), (2747, 53120), (3280, 44488), (3320, 43952), (3403, 42880), (4288, 34030), (5248, 27805), (5312, 27470), (5360, 27224), (5494, 26560), (5561, 26240), (6560, 22244), (6640, 21976), (6806, 21440), (8576, 17015), (10624, 13735), (10720, 13612), (10988, 13280), (11122, 13120)]