81127520

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 200037600

約数和(自身を除く): 118910080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 83, 149, 160, 164, 166, 205, 298, 328, 332, 410, 415, 596, 656, 664, 745, 820, 830, 1192, 1312, 1328, 1490, 1640, 1660, 2384, 2656, 2980, 3280, 3320, 3403, 4768, 5960, 6109, 6560, 6640, 6806, 11920, 12218, 12367, 13280, 13612, 17015, 23840, 24436, 24734, 27224, 30545, 34030, 48872, 49468, 54448, 61090, 61835, 68060, 97744, 98936, 108896, 122180, 123670, 136120, 195488, 197872, 244360, 247340, 272240, 395744, 488720, 494680, 507047, 544480, 977440, 989360, 1014094, 1978720, 2028188, 2535235, 4056376, 5070470, 8112752, 10140940, 16225504, 20281880, 40563760, 81127520]

約数ペア:

[(1, 81127520), (2, 40563760), (4, 20281880), (5, 16225504), (8, 10140940), (10, 8112752), (16, 5070470), (20, 4056376), (32, 2535235), (40, 2028188), (41, 1978720), (80, 1014094), (82, 989360), (83, 977440), (149, 544480), (160, 507047), (164, 494680), (166, 488720), (205, 395744), (298, 272240), (328, 247340), (332, 244360), (410, 197872), (415, 195488), (596, 136120), (656, 123670), (664, 122180), (745, 108896), (820, 98936), (830, 97744), (1192, 68060), (1312, 61835), (1328, 61090), (1490, 54448), (1640, 49468), (1660, 48872), (2384, 34030), (2656, 30545), (2980, 27224), (3280, 24734), (3320, 24436), (3403, 23840), (4768, 17015), (5960, 13612), (6109, 13280), (6560, 12367), (6640, 12218), (6806, 11920)]