639185375640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40049209}}^1$

素因数の和:40049249

約数の個数: 128

約数和(自身を含む): 2306834496000

約数和(自身を除く): 1667649120360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 40049209, 80098418, 120147627, 160196836, 200246045, 240295254, 280344463, 320393672, 400492090, 480590508, 560688926, 600738135, 760934971, 800984180, 841033389, 961181016, 1121377852, 1201476270, 1401722315, 1521869942, 1601968360, 1682066778, 2242755704, 2282804913, 2402952540, 2803444630, 3043739884, 3364133556, 3804674855, 4205166945, 4565609826, 4805905080, 5326544797, 5606889260, 6087479768, 6728267112, 7609349710, 8410333890, 9131219652, 10653089594, 11213778520, 11414024565, 15218699420, 15979634391, 16820667780, 18262439304, 21306179188, 22828049130, 26632723985, 30437398840, 31959268782, 33641335560, 42612358376, 45656098260, 53265447970, 63918537564, 79898171955, 91312196520, 106530895940, 127837075128, 159796343910, 213061791880, 319592687820, 639185375640]

約数ペア:

[(1, 639185375640), (2, 319592687820), (3, 213061791880), (4, 159796343910), (5, 127837075128), (6, 106530895940), (7, 91312196520), (8, 79898171955), (10, 63918537564), (12, 53265447970), (14, 45656098260), (15, 42612358376), (19, 33641335560), (20, 31959268782), (21, 30437398840), (24, 26632723985), (28, 22828049130), (30, 21306179188), (35, 18262439304), (38, 16820667780), (40, 15979634391), (42, 15218699420), (56, 11414024565), (57, 11213778520), (60, 10653089594), (70, 9131219652), (76, 8410333890), (84, 7609349710), (95, 6728267112), (105, 6087479768), (114, 5606889260), (120, 5326544797), (133, 4805905080), (140, 4565609826), (152, 4205166945), (168, 3804674855), (190, 3364133556), (210, 3043739884), (228, 2803444630), (266, 2402952540), (280, 2282804913), (285, 2242755704), (380, 1682066778), (399, 1601968360), (420, 1521869942), (456, 1401722315), (532, 1201476270), (570, 1121377852), (665, 961181016), (760, 841033389), (798, 800984180), (840, 760934971), (1064, 600738135), (1140, 560688926), (1330, 480590508), (1596, 400492090), (1995, 320393672), (2280, 280344463), (2660, 240295254), (3192, 200246045), (3990, 160196836), (5320, 120147627), (7980, 80098418), (15960, 40049209)]