1780153120

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1218

約数の個数: 96

約数和(自身を含む): 4289725440

約数和(自身を除く): 2509572320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 109, 160, 206, 218, 412, 436, 515, 545, 824, 872, 991, 1030, 1090, 1648, 1744, 1982, 2060, 2180, 3296, 3488, 3964, 4120, 4360, 4955, 7928, 8240, 8720, 9910, 11227, 15856, 16480, 17440, 19820, 22454, 31712, 39640, 44908, 56135, 79280, 89816, 102073, 108019, 112270, 158560, 179632, 204146, 216038, 224540, 359264, 408292, 432076, 449080, 510365, 540095, 816584, 864152, 898160, 1020730, 1080190, 1633168, 1728304, 1796320, 2041460, 2160380, 3266336, 3456608, 4082920, 4320760, 8165840, 8641520, 11125957, 16331680, 17283040, 22251914, 44503828, 55629785, 89007656, 111259570, 178015312, 222519140, 356030624, 445038280, 890076560, 1780153120]

約数ペア:

[(1, 1780153120), (2, 890076560), (4, 445038280), (5, 356030624), (8, 222519140), (10, 178015312), (16, 111259570), (20, 89007656), (32, 55629785), (40, 44503828), (80, 22251914), (103, 17283040), (109, 16331680), (160, 11125957), (206, 8641520), (218, 8165840), (412, 4320760), (436, 4082920), (515, 3456608), (545, 3266336), (824, 2160380), (872, 2041460), (991, 1796320), (1030, 1728304), (1090, 1633168), (1648, 1080190), (1744, 1020730), (1982, 898160), (2060, 864152), (2180, 816584), (3296, 540095), (3488, 510365), (3964, 449080), (4120, 432076), (4360, 408292), (4955, 359264), (7928, 224540), (8240, 216038), (8720, 204146), (9910, 179632), (11227, 158560), (15856, 112270), (16480, 108019), (17440, 102073), (19820, 89816), (22454, 79280), (31712, 56135), (39640, 44908)]