31739182720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{491}}^1$

素因数の和:871

約数の個数: 256

約数和(自身を含む): 89030430720

約数和(自身を除く): 57291248000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 160, 188, 224, 235, 280, 307, 320, 329, 376, 448, 470, 491, 560, 614, 640, 658, 752, 896, 940, 982, 1120, 1228, 1316, 1504, 1535, 1645, 1880, 1964, 2149, 2240, 2455, 2456, 2632, 3008, 3070, 3290, 3437, 3760, 3928, 4298, 4480, 4910, 4912, 5264, 6016, 6140, 6580, 6874, 7520, 7856, 8596, 9820, 9824, 10528, 10745, 12280, 13160, 13748, 14429, 15040, 15712, 17185, 17192, 19640, 19648, 21056, 21490, 23077, 24560, 26320, 27496, 28858, 30080, 31424, 34370, 34384, 39280, 39296, 42112, 42980, 46154, 49120, 52640, 54992, 57716, 62848, 68740, 68768, 72145, 78560, 85960, 92308, 98240, 101003, 105280, 109984, 115385, 115432, 137480, 137536, 144290, 150737, 157120, 161539, 171920, 184616, 196480, 202006, 210560, 219968, 230770, 230864, 274960, 275072, 288580, 301474, 314240, 323078, 343840, 369232, 404012, 439936, 461540, 461728, 505015, 549920, 577160, 602948, 646156, 687680, 738464, 753685, 807695, 808024, 923080, 923456, 1010030, 1055159, 1099840, 1154320, 1205896, 1292312, 1375360, 1476928, 1507370, 1615390, 1616048, 1846160, 1846912, 2020060, 2110318, 2199680, 2308640, 2411792, 2584624, 2953856, 3014740, 3230780, 3232096, 3692320, 4040120, 4220636, 4617280, 4823584, 5169248, 5275795, 6029480, 6461560, 6464192, 7084639, 7384640, 8080240, 8441272, 9234560, 9647168, 10338496, 10551590, 12058960, 12923120, 12928384, 14169278, 14769280, 16160480, 16882544, 19294336, 20676992, 21103180, 24117920, 25846240, 28338556, 32320960, 33765088, 35423195, 42206360, 48235840, 49592473, 51692480, 56677112, 64641920, 67530176, 70846390, 84412720, 96471680, 99184946, 103384960, 113354224, 135060352, 141692780, 168825440, 198369892, 226708448, 247962365, 283385560, 337650880, 396739784, 453416896, 495924730, 566771120, 675301760, 793479568, 906833792, 991849460, 1133542240, 1586959136, 1983698920, 2267084480, 3173918272, 3967397840, 4534168960, 6347836544, 7934795680, 15869591360, 31739182720]

約数ペア:

[(1, 31739182720), (2, 15869591360), (4, 7934795680), (5, 6347836544), (7, 4534168960), (8, 3967397840), (10, 3173918272), (14, 2267084480), (16, 1983698920), (20, 1586959136), (28, 1133542240), (32, 991849460), (35, 906833792), (40, 793479568), (47, 675301760), (56, 566771120), (64, 495924730), (70, 453416896), (80, 396739784), (94, 337650880), (112, 283385560), (128, 247962365), (140, 226708448), (160, 198369892), (188, 168825440), (224, 141692780), (235, 135060352), (280, 113354224), (307, 103384960), (320, 99184946), (329, 96471680), (376, 84412720), (448, 70846390), (470, 67530176), (491, 64641920), (560, 56677112), (614, 51692480), (640, 49592473), (658, 48235840), (752, 42206360), (896, 35423195), (940, 33765088), (982, 32320960), (1120, 28338556), (1228, 25846240), (1316, 24117920), (1504, 21103180), (1535, 20676992), (1645, 19294336), (1880, 16882544), (1964, 16160480), (2149, 14769280), (2240, 14169278), (2455, 12928384), (2456, 12923120), (2632, 12058960), (3008, 10551590), (3070, 10338496), (3290, 9647168), (3437, 9234560), (3760, 8441272), (3928, 8080240), (4298, 7384640), (4480, 7084639), (4910, 6464192), (4912, 6461560), (5264, 6029480), (6016, 5275795), (6140, 5169248), (6580, 4823584), (6874, 4617280), (7520, 4220636), (7856, 4040120), (8596, 3692320), (9820, 3232096), (9824, 3230780), (10528, 3014740), (10745, 2953856), (12280, 2584624), (13160, 2411792), (13748, 2308640), (14429, 2199680), (15040, 2110318), (15712, 2020060), (17185, 1846912), (17192, 1846160), (19640, 1616048), (19648, 1615390), (21056, 1507370), (21490, 1476928), (23077, 1375360), (24560, 1292312), (26320, 1205896), (27496, 1154320), (28858, 1099840), (30080, 1055159), (31424, 1010030), (34370, 923456), (34384, 923080), (39280, 808024), (39296, 807695), (42112, 753685), (42980, 738464), (46154, 687680), (49120, 646156), (52640, 602948), (54992, 577160), (57716, 549920), (62848, 505015), (68740, 461728), (68768, 461540), (72145, 439936), (78560, 404012), (85960, 369232), (92308, 343840), (98240, 323078), (101003, 314240), (105280, 301474), (109984, 288580), (115385, 275072), (115432, 274960), (137480, 230864), (137536, 230770), (144290, 219968), (150737, 210560), (157120, 202006), (161539, 196480), (171920, 184616)]