1289317120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11069}}^1$

素因数の和:11110

約数の個数: 144

約数和(自身を含む): 3801349440

約数和(自身を除く): 2512032320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1280, 1456, 1664, 1792, 1820, 2080, 2240, 2912, 3328, 3640, 4160, 4480, 5824, 7280, 8320, 8960, 11069, 11648, 14560, 16640, 22138, 23296, 29120, 44276, 55345, 58240, 77483, 88552, 110690, 116480, 143897, 154966, 177104, 221380, 287794, 309932, 354208, 387415, 442760, 575588, 619864, 708416, 719485, 774830, 885520, 1007279, 1151176, 1239728, 1416832, 1438970, 1549660, 1771040, 2014558, 2302352, 2479456, 2833664, 2877940, 3099320, 3542080, 4029116, 4604704, 4958912, 5036395, 5755880, 6198640, 7084160, 8058232, 9209408, 9917824, 10072790, 11511760, 12397280, 14168320, 16116464, 18418816, 19835648, 20145580, 23023520, 24794560, 32232928, 36837632, 40291160, 46047040, 49589120, 64465856, 80582320, 92094080, 99178240, 128931712, 161164640, 184188160, 257863424, 322329280, 644658560, 1289317120]

約数ペア:

[(1, 1289317120), (2, 644658560), (4, 322329280), (5, 257863424), (7, 184188160), (8, 161164640), (10, 128931712), (13, 99178240), (14, 92094080), (16, 80582320), (20, 64465856), (26, 49589120), (28, 46047040), (32, 40291160), (35, 36837632), (40, 32232928), (52, 24794560), (56, 23023520), (64, 20145580), (65, 19835648), (70, 18418816), (80, 16116464), (91, 14168320), (104, 12397280), (112, 11511760), (128, 10072790), (130, 9917824), (140, 9209408), (160, 8058232), (182, 7084160), (208, 6198640), (224, 5755880), (256, 5036395), (260, 4958912), (280, 4604704), (320, 4029116), (364, 3542080), (416, 3099320), (448, 2877940), (455, 2833664), (520, 2479456), (560, 2302352), (640, 2014558), (728, 1771040), (832, 1549660), (896, 1438970), (910, 1416832), (1040, 1239728), (1120, 1151176), (1280, 1007279), (1456, 885520), (1664, 774830), (1792, 719485), (1820, 708416), (2080, 619864), (2240, 575588), (2912, 442760), (3328, 387415), (3640, 354208), (4160, 309932), (4480, 287794), (5824, 221380), (7280, 177104), (8320, 154966), (8960, 143897), (11069, 116480), (11648, 110690), (14560, 88552), (16640, 77483), (22138, 58240), (23296, 55345), (29120, 44276)]