1640890008

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{821}}^1$

素因数の和:1342

約数の個数: 128

約数和(自身を含む): 4813632000

約数和(自身を除く): 3172741992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 487, 513, 684, 821, 974, 1026, 1368, 1461, 1642, 1948, 2052, 2463, 2922, 3284, 3896, 4104, 4383, 4926, 5844, 6568, 7389, 8766, 9253, 9852, 11688, 13149, 14778, 15599, 17532, 18506, 19704, 22167, 26298, 27759, 29556, 31198, 35064, 37012, 44334, 46797, 52596, 55518, 59112, 62396, 74024, 83277, 88668, 93594, 105192, 111036, 124792, 140391, 166554, 177336, 187188, 222072, 249831, 280782, 333108, 374376, 399827, 421173, 499662, 561564, 666216, 799654, 842346, 999324, 1123128, 1199481, 1599308, 1684692, 1998648, 2398962, 3198616, 3369384, 3598443, 4797924, 7196886, 7596713, 9595848, 10795329, 14393772, 15193426, 21590658, 22790139, 28787544, 30386852, 43181316, 45580278, 60773704, 68370417, 86362632, 91160556, 136740834, 182321112, 205111251, 273481668, 410222502, 546963336, 820445004, 1640890008]

約数ペア:

[(1, 1640890008), (2, 820445004), (3, 546963336), (4, 410222502), (6, 273481668), (8, 205111251), (9, 182321112), (12, 136740834), (18, 91160556), (19, 86362632), (24, 68370417), (27, 60773704), (36, 45580278), (38, 43181316), (54, 30386852), (57, 28787544), (72, 22790139), (76, 21590658), (108, 15193426), (114, 14393772), (152, 10795329), (171, 9595848), (216, 7596713), (228, 7196886), (342, 4797924), (456, 3598443), (487, 3369384), (513, 3198616), (684, 2398962), (821, 1998648), (974, 1684692), (1026, 1599308), (1368, 1199481), (1461, 1123128), (1642, 999324), (1948, 842346), (2052, 799654), (2463, 666216), (2922, 561564), (3284, 499662), (3896, 421173), (4104, 399827), (4383, 374376), (4926, 333108), (5844, 280782), (6568, 249831), (7389, 222072), (8766, 187188), (9253, 177336), (9852, 166554), (11688, 140391), (13149, 124792), (14778, 111036), (15599, 105192), (17532, 93594), (18506, 88668), (19704, 83277), (22167, 74024), (26298, 62396), (27759, 59112), (29556, 55518), (31198, 52596), (35064, 46797), (37012, 44334)]