160001660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:716

約数の個数: 144

約数和(自身を含む): 443751840

約数和(自身を除く): 283750180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 182, 190, 196, 245, 247, 260, 266, 364, 380, 455, 490, 494, 532, 637, 661, 665, 910, 931, 980, 988, 1235, 1274, 1322, 1330, 1729, 1820, 1862, 2470, 2548, 2644, 2660, 3185, 3305, 3458, 3724, 4627, 4655, 4940, 6370, 6610, 6916, 8593, 8645, 9254, 9310, 12103, 12559, 12740, 13220, 17186, 17290, 18508, 18620, 23135, 24206, 25118, 32389, 34372, 34580, 42965, 46270, 48412, 50236, 60151, 60515, 62795, 64778, 85930, 87913, 92540, 120302, 121030, 125590, 129556, 161945, 163267, 171860, 175826, 240604, 242060, 251180, 300755, 323890, 326534, 351652, 421057, 439565, 601510, 615391, 647780, 653068, 816335, 842114, 879130, 1142869, 1203020, 1230782, 1632670, 1684228, 1758260, 2105285, 2285738, 2461564, 3076955, 3265340, 4210570, 4571476, 5714345, 6153910, 8000083, 8421140, 11428690, 12307820, 16000166, 22857380, 32000332, 40000415, 80000830, 160001660]

約数ペア:

[(1, 160001660), (2, 80000830), (4, 40000415), (5, 32000332), (7, 22857380), (10, 16000166), (13, 12307820), (14, 11428690), (19, 8421140), (20, 8000083), (26, 6153910), (28, 5714345), (35, 4571476), (38, 4210570), (49, 3265340), (52, 3076955), (65, 2461564), (70, 2285738), (76, 2105285), (91, 1758260), (95, 1684228), (98, 1632670), (130, 1230782), (133, 1203020), (140, 1142869), (182, 879130), (190, 842114), (196, 816335), (245, 653068), (247, 647780), (260, 615391), (266, 601510), (364, 439565), (380, 421057), (455, 351652), (490, 326534), (494, 323890), (532, 300755), (637, 251180), (661, 242060), (665, 240604), (910, 175826), (931, 171860), (980, 163267), (988, 161945), (1235, 129556), (1274, 125590), (1322, 121030), (1330, 120302), (1729, 92540), (1820, 87913), (1862, 85930), (2470, 64778), (2548, 62795), (2644, 60515), (2660, 60151), (3185, 50236), (3305, 48412), (3458, 46270), (3724, 42965), (4627, 34580), (4655, 34372), (4940, 32389), (6370, 25118), (6610, 24206), (6916, 23135), (8593, 18620), (8645, 18508), (9254, 17290), (9310, 17186), (12103, 13220), (12559, 12740)]