1900657920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{70709}}^1$

素因数の和:70740

約数の個数: 144

約数和(自身を含む): 6937499520

約数和(自身を除く): 5036841600

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, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880, 70709, 141418, 212127, 282836, 353545, 424254, 494963, 565672, 707090, 848508, 989926, 1060635, 1131344, 1414180, 1484889, 1697016, 1979852, 2121270, 2262688, 2474815, 2828360, 2969778, 3394032, 3959704, 4242540, 4525376, 4949630, 5656720, 5939556, 6788064, 7424445, 7919408, 8485080, 9050752, 9899260, 11313440, 11879112, 13576128, 14848890, 15838816, 16970160, 18101504, 19798520, 22626880, 23758224, 27152256, 29697780, 31677632, 33940320, 39597040, 45253760, 47516448, 54304512, 59395560, 63355264, 67880640, 79194080, 90507520, 95032896, 118791120, 126710528, 135761280, 158388160, 190065792, 237582240, 271522560, 316776320, 380131584, 475164480, 633552640, 950328960, 1900657920]

約数ペア:

[(1, 1900657920), (2, 950328960), (3, 633552640), (4, 475164480), (5, 380131584), (6, 316776320), (7, 271522560), (8, 237582240), (10, 190065792), (12, 158388160), (14, 135761280), (15, 126710528), (16, 118791120), (20, 95032896), (21, 90507520), (24, 79194080), (28, 67880640), (30, 63355264), (32, 59395560), (35, 54304512), (40, 47516448), (42, 45253760), (48, 39597040), (56, 33940320), (60, 31677632), (64, 29697780), (70, 27152256), (80, 23758224), (84, 22626880), (96, 19798520), (105, 18101504), (112, 16970160), (120, 15838816), (128, 14848890), (140, 13576128), (160, 11879112), (168, 11313440), (192, 9899260), (210, 9050752), (224, 8485080), (240, 7919408), (256, 7424445), (280, 6788064), (320, 5939556), (336, 5656720), (384, 4949630), (420, 4525376), (448, 4242540), (480, 3959704), (560, 3394032), (640, 2969778), (672, 2828360), (768, 2474815), (840, 2262688), (896, 2121270), (960, 1979852), (1120, 1697016), (1280, 1484889), (1344, 1414180), (1680, 1131344), (1792, 1060635), (1920, 989926), (2240, 848508), (2688, 707090), (3360, 565672), (3840, 494963), (4480, 424254), (5376, 353545), (6720, 282836), (8960, 212127), (13440, 141418), (26880, 70709)]