1778178840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{4357}}^1$

素因数の和:4569

約数の個数: 128

約数和(自身を含む): 5647968000

約数和(自身を除く): 3869789160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 179, 190, 228, 285, 358, 380, 456, 537, 570, 716, 760, 895, 1074, 1140, 1432, 1790, 2148, 2280, 2685, 3401, 3580, 4296, 4357, 5370, 6802, 7160, 8714, 10203, 10740, 13071, 13604, 17005, 17428, 20406, 21480, 21785, 26142, 27208, 34010, 34856, 40812, 43570, 51015, 52284, 65355, 68020, 81624, 82783, 87140, 102030, 104568, 130710, 136040, 165566, 174280, 204060, 248349, 261420, 331132, 408120, 413915, 496698, 522840, 662264, 779903, 827830, 993396, 1241745, 1559806, 1655660, 1986792, 2339709, 2483490, 3119612, 3311320, 3899515, 4679418, 4966980, 6239224, 7799030, 9358836, 9933960, 11698545, 14818157, 15598060, 18717672, 23397090, 29636314, 31196120, 44454471, 46794180, 59272628, 74090785, 88908942, 93588360, 118545256, 148181570, 177817884, 222272355, 296363140, 355635768, 444544710, 592726280, 889089420, 1778178840]

約数ペア:

[(1, 1778178840), (2, 889089420), (3, 592726280), (4, 444544710), (5, 355635768), (6, 296363140), (8, 222272355), (10, 177817884), (12, 148181570), (15, 118545256), (19, 93588360), (20, 88908942), (24, 74090785), (30, 59272628), (38, 46794180), (40, 44454471), (57, 31196120), (60, 29636314), (76, 23397090), (95, 18717672), (114, 15598060), (120, 14818157), (152, 11698545), (179, 9933960), (190, 9358836), (228, 7799030), (285, 6239224), (358, 4966980), (380, 4679418), (456, 3899515), (537, 3311320), (570, 3119612), (716, 2483490), (760, 2339709), (895, 1986792), (1074, 1655660), (1140, 1559806), (1432, 1241745), (1790, 993396), (2148, 827830), (2280, 779903), (2685, 662264), (3401, 522840), (3580, 496698), (4296, 413915), (4357, 408120), (5370, 331132), (6802, 261420), (7160, 248349), (8714, 204060), (10203, 174280), (10740, 165566), (13071, 136040), (13604, 130710), (17005, 104568), (17428, 102030), (20406, 87140), (21480, 82783), (21785, 81624), (26142, 68020), (27208, 65355), (34010, 52284), (34856, 51015), (40812, 43570)]