40719280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 160

約数和(自身を含む): 117849600

約数和(自身を除く): 77130320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 43, 56, 70, 76, 80, 86, 89, 95, 112, 133, 140, 152, 172, 178, 190, 215, 266, 280, 301, 304, 344, 356, 380, 430, 445, 532, 560, 602, 623, 665, 688, 712, 760, 817, 860, 890, 1064, 1204, 1246, 1330, 1424, 1505, 1520, 1634, 1691, 1720, 1780, 2128, 2408, 2492, 2660, 3010, 3115, 3268, 3382, 3440, 3560, 3827, 4085, 4816, 4984, 5320, 5719, 6020, 6230, 6536, 6764, 7120, 7654, 8170, 8455, 9968, 10640, 11438, 11837, 12040, 12460, 13072, 13528, 15308, 16340, 16910, 19135, 22876, 23674, 24080, 24920, 26789, 27056, 28595, 30616, 32680, 33820, 38270, 45752, 47348, 49840, 53578, 57190, 59185, 61232, 65360, 67640, 72713, 76540, 91504, 94696, 107156, 114380, 118370, 133945, 135280, 145426, 153080, 189392, 214312, 228760, 236740, 267890, 290852, 306160, 363565, 428624, 457520, 473480, 508991, 535780, 581704, 727130, 946960, 1017982, 1071560, 1163408, 1454260, 2035964, 2143120, 2544955, 2908520, 4071928, 5089910, 5817040, 8143856, 10179820, 20359640, 40719280]

約数ペア:

[(1, 40719280), (2, 20359640), (4, 10179820), (5, 8143856), (7, 5817040), (8, 5089910), (10, 4071928), (14, 2908520), (16, 2544955), (19, 2143120), (20, 2035964), (28, 1454260), (35, 1163408), (38, 1071560), (40, 1017982), (43, 946960), (56, 727130), (70, 581704), (76, 535780), (80, 508991), (86, 473480), (89, 457520), (95, 428624), (112, 363565), (133, 306160), (140, 290852), (152, 267890), (172, 236740), (178, 228760), (190, 214312), (215, 189392), (266, 153080), (280, 145426), (301, 135280), (304, 133945), (344, 118370), (356, 114380), (380, 107156), (430, 94696), (445, 91504), (532, 76540), (560, 72713), (602, 67640), (623, 65360), (665, 61232), (688, 59185), (712, 57190), (760, 53578), (817, 49840), (860, 47348), (890, 45752), (1064, 38270), (1204, 33820), (1246, 32680), (1330, 30616), (1424, 28595), (1505, 27056), (1520, 26789), (1634, 24920), (1691, 24080), (1720, 23674), (1780, 22876), (2128, 19135), (2408, 16910), (2492, 16340), (2660, 15308), (3010, 13528), (3115, 13072), (3268, 12460), (3382, 12040), (3440, 11837), (3560, 11438), (3827, 10640), (4085, 9968), (4816, 8455), (4984, 8170), (5320, 7654), (5719, 7120), (6020, 6764), (6230, 6536)]