20173727560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^2$

素因数の和:448

約数の個数: 192

約数和(自身を含む): 54297561600

約数和(自身を除く): 34123834040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 79, 140, 148, 157, 158, 185, 259, 280, 296, 314, 316, 370, 395, 518, 553, 628, 632, 740, 785, 790, 1036, 1099, 1106, 1256, 1295, 1480, 1570, 1580, 2072, 2198, 2212, 2590, 2765, 2923, 3140, 3160, 4396, 4424, 5180, 5495, 5530, 5809, 5846, 6280, 8792, 10360, 10990, 11060, 11618, 11692, 12403, 14615, 20461, 21980, 22120, 23236, 23384, 24649, 24806, 29045, 29230, 40663, 40922, 43960, 46472, 49298, 49612, 58090, 58460, 62015, 81326, 81844, 86821, 98596, 99224, 102305, 116180, 116920, 123245, 124030, 162652, 163688, 172543, 173642, 197192, 203315, 204610, 232360, 246490, 248060, 325304, 345086, 347284, 406630, 409220, 434105, 458911, 492980, 496120, 690172, 694568, 813260, 818440, 862715, 868210, 912013, 917822, 985960, 1380344, 1626520, 1725430, 1736420, 1824026, 1835644, 1947271, 2294555, 3212377, 3450860, 3472840, 3648052, 3671288, 3894542, 4560065, 4589110, 6384091, 6424754, 6901720, 7296104, 7789084, 9120130, 9178220, 9736355, 12768182, 12849508, 13630897, 15578168, 16061885, 18240260, 18356440, 19472710, 25536364, 25699016, 27261794, 31920455, 32123770, 36480520, 38945420, 51072728, 54523588, 63840910, 64247540, 68154485, 72049027, 77890840, 109047176, 127681820, 128495080, 136308970, 144098054, 255363640, 272617940, 288196108, 360245135, 504343189, 545235880, 576392216, 720490270, 1008686378, 1440980540, 2017372756, 2521715945, 2881961080, 4034745512, 5043431890, 10086863780, 20173727560]

約数ペア:

[(1, 20173727560), (2, 10086863780), (4, 5043431890), (5, 4034745512), (7, 2881961080), (8, 2521715945), (10, 2017372756), (14, 1440980540), (20, 1008686378), (28, 720490270), (35, 576392216), (37, 545235880), (40, 504343189), (56, 360245135), (70, 288196108), (74, 272617940), (79, 255363640), (140, 144098054), (148, 136308970), (157, 128495080), (158, 127681820), (185, 109047176), (259, 77890840), (280, 72049027), (296, 68154485), (314, 64247540), (316, 63840910), (370, 54523588), (395, 51072728), (518, 38945420), (553, 36480520), (628, 32123770), (632, 31920455), (740, 27261794), (785, 25699016), (790, 25536364), (1036, 19472710), (1099, 18356440), (1106, 18240260), (1256, 16061885), (1295, 15578168), (1480, 13630897), (1570, 12849508), (1580, 12768182), (2072, 9736355), (2198, 9178220), (2212, 9120130), (2590, 7789084), (2765, 7296104), (2923, 6901720), (3140, 6424754), (3160, 6384091), (4396, 4589110), (4424, 4560065), (5180, 3894542), (5495, 3671288), (5530, 3648052), (5809, 3472840), (5846, 3450860), (6280, 3212377), (8792, 2294555), (10360, 1947271), (10990, 1835644), (11060, 1824026), (11618, 1736420), (11692, 1725430), (12403, 1626520), (14615, 1380344), (20461, 985960), (21980, 917822), (22120, 912013), (23236, 868210), (23384, 862715), (24649, 818440), (24806, 813260), (29045, 694568), (29230, 690172), (40663, 496120), (40922, 492980), (43960, 458911), (46472, 434105), (49298, 409220), (49612, 406630), (58090, 347284), (58460, 345086), (62015, 325304), (81326, 248060), (81844, 246490), (86821, 232360), (98596, 204610), (99224, 203315), (102305, 197192), (116180, 173642), (116920, 172543), (123245, 163688), (124030, 162652)]