1689313920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{125693}}^1$

素因数の和:125722

約数の個数: 128

約数和(自身を含む): 6153978240

約数和(自身を除く): 4464664320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 125693, 251386, 377079, 502772, 628465, 754158, 879851, 1005544, 1256930, 1508316, 1759702, 1885395, 2011088, 2513860, 2639553, 3016632, 3519404, 3770790, 4022176, 4399255, 5027720, 5279106, 6033264, 7038808, 7541580, 8044352, 8798510, 10055440, 10558212, 12066528, 13197765, 14077616, 15083160, 16088704, 17597020, 20110880, 21116424, 24133056, 26395530, 28155232, 30166320, 35194040, 40221760, 42232848, 48266112, 52791060, 56310464, 60332640, 70388080, 80443520, 84465696, 105582120, 112620928, 120665280, 140776160, 168931392, 211164240, 241330560, 281552320, 337862784, 422328480, 563104640, 844656960, 1689313920]

約数ペア:

[(1, 1689313920), (2, 844656960), (3, 563104640), (4, 422328480), (5, 337862784), (6, 281552320), (7, 241330560), (8, 211164240), (10, 168931392), (12, 140776160), (14, 120665280), (15, 112620928), (16, 105582120), (20, 84465696), (21, 80443520), (24, 70388080), (28, 60332640), (30, 56310464), (32, 52791060), (35, 48266112), (40, 42232848), (42, 40221760), (48, 35194040), (56, 30166320), (60, 28155232), (64, 26395530), (70, 24133056), (80, 21116424), (84, 20110880), (96, 17597020), (105, 16088704), (112, 15083160), (120, 14077616), (128, 13197765), (140, 12066528), (160, 10558212), (168, 10055440), (192, 8798510), (210, 8044352), (224, 7541580), (240, 7038808), (280, 6033264), (320, 5279106), (336, 5027720), (384, 4399255), (420, 4022176), (448, 3770790), (480, 3519404), (560, 3016632), (640, 2639553), (672, 2513860), (840, 2011088), (896, 1885395), (960, 1759702), (1120, 1508316), (1344, 1256930), (1680, 1005544), (1920, 879851), (2240, 754158), (2688, 628465), (3360, 502772), (4480, 377079), (6720, 251386), (13440, 125693)]