208307640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{433}}^1$

素因数の和:677

約数の個数: 128

約数和(自身を含む): 662457600

約数和(自身を除く): 454149960

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, 190, 211, 228, 285, 380, 422, 433, 456, 570, 633, 760, 844, 866, 1055, 1140, 1266, 1299, 1688, 1732, 2110, 2165, 2280, 2532, 2598, 3165, 3464, 4009, 4220, 4330, 5064, 5196, 6330, 6495, 8018, 8227, 8440, 8660, 10392, 12027, 12660, 12990, 16036, 16454, 17320, 20045, 24054, 24681, 25320, 25980, 32072, 32908, 40090, 41135, 48108, 49362, 51960, 60135, 65816, 80180, 82270, 91363, 96216, 98724, 120270, 123405, 160360, 164540, 182726, 197448, 240540, 246810, 274089, 329080, 365452, 456815, 481080, 493620, 548178, 730904, 913630, 987240, 1096356, 1370445, 1735897, 1827260, 2192712, 2740890, 3471794, 3654520, 5207691, 5481780, 6943588, 8679485, 10415382, 10963560, 13887176, 17358970, 20830764, 26038455, 34717940, 41661528, 52076910, 69435880, 104153820, 208307640]

約数ペア:

[(1, 208307640), (2, 104153820), (3, 69435880), (4, 52076910), (5, 41661528), (6, 34717940), (8, 26038455), (10, 20830764), (12, 17358970), (15, 13887176), (19, 10963560), (20, 10415382), (24, 8679485), (30, 6943588), (38, 5481780), (40, 5207691), (57, 3654520), (60, 3471794), (76, 2740890), (95, 2192712), (114, 1827260), (120, 1735897), (152, 1370445), (190, 1096356), (211, 987240), (228, 913630), (285, 730904), (380, 548178), (422, 493620), (433, 481080), (456, 456815), (570, 365452), (633, 329080), (760, 274089), (844, 246810), (866, 240540), (1055, 197448), (1140, 182726), (1266, 164540), (1299, 160360), (1688, 123405), (1732, 120270), (2110, 98724), (2165, 96216), (2280, 91363), (2532, 82270), (2598, 80180), (3165, 65816), (3464, 60135), (4009, 51960), (4220, 49362), (4330, 48108), (5064, 41135), (5196, 40090), (6330, 32908), (6495, 32072), (8018, 25980), (8227, 25320), (8440, 24681), (8660, 24054), (10392, 20045), (12027, 17320), (12660, 16454), (12990, 16036)]