64046720

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 168912000

約数和(自身を除く): 104865280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 128, 152, 160, 184, 190, 229, 230, 304, 320, 368, 380, 437, 458, 460, 608, 640, 736, 760, 874, 916, 920, 1145, 1216, 1472, 1520, 1748, 1832, 1840, 2185, 2290, 2432, 2944, 3040, 3496, 3664, 3680, 4351, 4370, 4580, 5267, 6080, 6992, 7328, 7360, 8702, 8740, 9160, 10534, 12160, 13984, 14656, 14720, 17404, 17480, 18320, 21068, 21755, 26335, 27968, 29312, 34808, 34960, 36640, 42136, 43510, 52670, 55936, 69616, 69920, 73280, 84272, 87020, 100073, 105340, 139232, 139840, 146560, 168544, 174040, 200146, 210680, 278464, 279680, 337088, 348080, 400292, 421360, 500365, 556928, 674176, 696160, 800584, 842720, 1000730, 1392320, 1601168, 1685440, 2001460, 2784640, 3202336, 3370880, 4002920, 6404672, 8005840, 12809344, 16011680, 32023360, 64046720]

約数ペア:

[(1, 64046720), (2, 32023360), (4, 16011680), (5, 12809344), (8, 8005840), (10, 6404672), (16, 4002920), (19, 3370880), (20, 3202336), (23, 2784640), (32, 2001460), (38, 1685440), (40, 1601168), (46, 1392320), (64, 1000730), (76, 842720), (80, 800584), (92, 696160), (95, 674176), (115, 556928), (128, 500365), (152, 421360), (160, 400292), (184, 348080), (190, 337088), (229, 279680), (230, 278464), (304, 210680), (320, 200146), (368, 174040), (380, 168544), (437, 146560), (458, 139840), (460, 139232), (608, 105340), (640, 100073), (736, 87020), (760, 84272), (874, 73280), (916, 69920), (920, 69616), (1145, 55936), (1216, 52670), (1472, 43510), (1520, 42136), (1748, 36640), (1832, 34960), (1840, 34808), (2185, 29312), (2290, 27968), (2432, 26335), (2944, 21755), (3040, 21068), (3496, 18320), (3664, 17480), (3680, 17404), (4351, 14720), (4370, 14656), (4580, 13984), (5267, 12160), (6080, 10534), (6992, 9160), (7328, 8740), (7360, 8702)]