1687280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:174

約数の個数: 80

約数和(自身を含む): 4713984

約数和(自身を除く): 3026704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 131, 140, 161, 184, 230, 262, 280, 322, 368, 460, 524, 560, 644, 655, 805, 917, 920, 1048, 1288, 1310, 1610, 1834, 1840, 2096, 2576, 2620, 3013, 3220, 3668, 4585, 5240, 6026, 6440, 7336, 9170, 10480, 12052, 12880, 14672, 15065, 18340, 21091, 24104, 30130, 36680, 42182, 48208, 60260, 73360, 84364, 105455, 120520, 168728, 210910, 241040, 337456, 421820, 843640, 1687280]

約数ペア:

[(1, 1687280), (2, 843640), (4, 421820), (5, 337456), (7, 241040), (8, 210910), (10, 168728), (14, 120520), (16, 105455), (20, 84364), (23, 73360), (28, 60260), (35, 48208), (40, 42182), (46, 36680), (56, 30130), (70, 24104), (80, 21091), (92, 18340), (112, 15065), (115, 14672), (131, 12880), (140, 12052), (161, 10480), (184, 9170), (230, 7336), (262, 6440), (280, 6026), (322, 5240), (368, 4585), (460, 3668), (524, 3220), (560, 3013), (644, 2620), (655, 2576), (805, 2096), (917, 1840), (920, 1834), (1048, 1610), (1288, 1310)]