1560661760

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:351

約数の個数: 216

約数和(自身を含む): 4404002400

約数和(自身を除く): 2843340640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 149, 160, 167, 196, 224, 245, 256, 280, 298, 320, 334, 392, 448, 490, 560, 596, 640, 668, 745, 784, 835, 896, 980, 1043, 1120, 1169, 1192, 1280, 1336, 1490, 1568, 1670, 1792, 1960, 2086, 2240, 2338, 2384, 2672, 2980, 3136, 3340, 3920, 4172, 4480, 4676, 4768, 5215, 5344, 5845, 5960, 6272, 6680, 7301, 7840, 8183, 8344, 8960, 9352, 9536, 10430, 10688, 11690, 11920, 12544, 13360, 14602, 15680, 16366, 16688, 18704, 19072, 20860, 21376, 23380, 23840, 24883, 26720, 29204, 31360, 32732, 33376, 36505, 37408, 38144, 40915, 41720, 42752, 46760, 47680, 49766, 53440, 58408, 62720, 65464, 66752, 73010, 74816, 81830, 83440, 93520, 95360, 99532, 106880, 116816, 124415, 130928, 133504, 146020, 149632, 163660, 166880, 174181, 187040, 190720, 199064, 213760, 233632, 248830, 261856, 267008, 292040, 299264, 327320, 333760, 348362, 374080, 398128, 467264, 497660, 523712, 584080, 654640, 667520, 696724, 748160, 796256, 870905, 934528, 995320, 1047424, 1168160, 1219267, 1309280, 1335040, 1393448, 1496320, 1592512, 1741810, 1869056, 1990640, 2094848, 2336320, 2438534, 2618560, 2786896, 3185024, 3483620, 3981280, 4672640, 4877068, 5237120, 5573792, 6096335, 6370048, 6967240, 7962560, 9345280, 9754136, 10474240, 11147584, 12192670, 13934480, 15925120, 19508272, 22295168, 24385340, 27868960, 31850240, 39016544, 44590336, 48770680, 55737920, 78033088, 97541360, 111475840, 156066176, 195082720, 222951680, 312132352, 390165440, 780330880, 1560661760]

約数ペア:

[(1, 1560661760), (2, 780330880), (4, 390165440), (5, 312132352), (7, 222951680), (8, 195082720), (10, 156066176), (14, 111475840), (16, 97541360), (20, 78033088), (28, 55737920), (32, 48770680), (35, 44590336), (40, 39016544), (49, 31850240), (56, 27868960), (64, 24385340), (70, 22295168), (80, 19508272), (98, 15925120), (112, 13934480), (128, 12192670), (140, 11147584), (149, 10474240), (160, 9754136), (167, 9345280), (196, 7962560), (224, 6967240), (245, 6370048), (256, 6096335), (280, 5573792), (298, 5237120), (320, 4877068), (334, 4672640), (392, 3981280), (448, 3483620), (490, 3185024), (560, 2786896), (596, 2618560), (640, 2438534), (668, 2336320), (745, 2094848), (784, 1990640), (835, 1869056), (896, 1741810), (980, 1592512), (1043, 1496320), (1120, 1393448), (1169, 1335040), (1192, 1309280), (1280, 1219267), (1336, 1168160), (1490, 1047424), (1568, 995320), (1670, 934528), (1792, 870905), (1960, 796256), (2086, 748160), (2240, 696724), (2338, 667520), (2384, 654640), (2672, 584080), (2980, 523712), (3136, 497660), (3340, 467264), (3920, 398128), (4172, 374080), (4480, 348362), (4676, 333760), (4768, 327320), (5215, 299264), (5344, 292040), (5845, 267008), (5960, 261856), (6272, 248830), (6680, 233632), (7301, 213760), (7840, 199064), (8183, 190720), (8344, 187040), (8960, 174181), (9352, 166880), (9536, 163660), (10430, 149632), (10688, 146020), (11690, 133504), (11920, 130928), (12544, 124415), (13360, 116816), (14602, 106880), (15680, 99532), (16366, 95360), (16688, 93520), (18704, 83440), (19072, 81830), (20860, 74816), (21376, 73010), (23380, 66752), (23840, 65464), (24883, 62720), (26720, 58408), (29204, 53440), (31360, 49766), (32732, 47680), (33376, 46760), (36505, 42752), (37408, 41720), (38144, 40915)]