2156875694680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{143981}}^1\times {\mathrm{7643}}^1$

素因数の和:151649

約数の個数: 96

約数和(自身を含む): 5646069833040

約数和(自身を除く): 3489194138360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 7643, 15286, 30572, 38215, 53501, 61144, 76430, 107002, 143981, 152860, 214004, 267505, 287962, 305720, 374507, 428008, 535010, 575924, 719905, 749014, 1007867, 1070020, 1151848, 1439810, 1498028, 1872535, 2015734, 2140040, 2879620, 2996056, 3745070, 4031468, 5039335, 5759240, 7055069, 7490140, 8062936, 10078670, 14110138, 14980280, 20157340, 28220276, 35275345, 40314680, 56440552, 70550690, 141101380, 282202760, 1100446783, 2200893566, 4401787132, 5502233915, 7703127481, 8803574264, 11004467830, 15406254962, 22008935660, 30812509924, 38515637405, 44017871320, 53921892367, 61625019848, 77031274810, 107843784734, 154062549620, 215687569468, 269609461835, 308125099240, 431375138936, 539218923670, 1078437847340, 2156875694680]

約数ペア:

[(1, 2156875694680), (2, 1078437847340), (4, 539218923670), (5, 431375138936), (7, 308125099240), (8, 269609461835), (10, 215687569468), (14, 154062549620), (20, 107843784734), (28, 77031274810), (35, 61625019848), (40, 53921892367), (49, 44017871320), (56, 38515637405), (70, 30812509924), (98, 22008935660), (140, 15406254962), (196, 11004467830), (245, 8803574264), (280, 7703127481), (392, 5502233915), (490, 4401787132), (980, 2200893566), (1960, 1100446783), (7643, 282202760), (15286, 141101380), (30572, 70550690), (38215, 56440552), (53501, 40314680), (61144, 35275345), (76430, 28220276), (107002, 20157340), (143981, 14980280), (152860, 14110138), (214004, 10078670), (267505, 8062936), (287962, 7490140), (305720, 7055069), (374507, 5759240), (428008, 5039335), (535010, 4031468), (575924, 3745070), (719905, 2996056), (749014, 2879620), (1007867, 2140040), (1070020, 2015734), (1151848, 1872535), (1439810, 1498028)]