2690548280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{13477}}^1$

素因数の和:13549

約数の個数: 128

約数和(自身を含む): 7452794880

約数和(自身を除く): 4762246600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 434, 460, 620, 644, 713, 805, 868, 920, 1085, 1240, 1288, 1426, 1610, 1736, 2170, 2852, 3220, 3565, 4340, 4991, 5704, 6440, 7130, 8680, 9982, 13477, 14260, 19964, 24955, 26954, 28520, 39928, 49910, 53908, 67385, 94339, 99820, 107816, 134770, 188678, 199640, 269540, 309971, 377356, 417787, 471695, 539080, 619942, 754712, 835574, 943390, 1239884, 1549855, 1671148, 1886780, 2088935, 2169797, 2479768, 2924509, 3099710, 3342296, 3773560, 4177870, 4339594, 5849018, 6199420, 8355740, 8679188, 9609101, 10848985, 11698036, 12398840, 14622545, 16711480, 17358376, 19218202, 21697970, 23396072, 29245090, 38436404, 43395940, 48045505, 58490180, 67263707, 76872808, 86791880, 96091010, 116980360, 134527414, 192182020, 269054828, 336318535, 384364040, 538109656, 672637070, 1345274140, 2690548280]

約数ペア:

[(1, 2690548280), (2, 1345274140), (4, 672637070), (5, 538109656), (7, 384364040), (8, 336318535), (10, 269054828), (14, 192182020), (20, 134527414), (23, 116980360), (28, 96091010), (31, 86791880), (35, 76872808), (40, 67263707), (46, 58490180), (56, 48045505), (62, 43395940), (70, 38436404), (92, 29245090), (115, 23396072), (124, 21697970), (140, 19218202), (155, 17358376), (161, 16711480), (184, 14622545), (217, 12398840), (230, 11698036), (248, 10848985), (280, 9609101), (310, 8679188), (322, 8355740), (434, 6199420), (460, 5849018), (620, 4339594), (644, 4177870), (713, 3773560), (805, 3342296), (868, 3099710), (920, 2924509), (1085, 2479768), (1240, 2169797), (1288, 2088935), (1426, 1886780), (1610, 1671148), (1736, 1549855), (2170, 1239884), (2852, 943390), (3220, 835574), (3565, 754712), (4340, 619942), (4991, 539080), (5704, 471695), (6440, 417787), (7130, 377356), (8680, 309971), (9982, 269540), (13477, 199640), (14260, 188678), (19964, 134770), (24955, 107816), (26954, 99820), (28520, 94339), (39928, 67385), (49910, 53908)]