161008120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 192

約数和(自身を含む): 465393600

約数和(自身を除く): 304385480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 71, 89, 91, 98, 104, 130, 140, 142, 178, 182, 196, 245, 260, 280, 284, 355, 356, 364, 392, 445, 455, 490, 497, 520, 568, 623, 637, 710, 712, 728, 890, 910, 923, 980, 994, 1157, 1246, 1274, 1420, 1780, 1820, 1846, 1960, 1988, 2314, 2485, 2492, 2548, 2840, 3115, 3185, 3479, 3560, 3640, 3692, 3976, 4361, 4615, 4628, 4970, 4984, 5096, 5785, 6230, 6319, 6370, 6461, 6958, 7384, 8099, 8722, 9230, 9256, 9940, 11570, 12460, 12638, 12740, 12922, 13916, 16198, 17395, 17444, 18460, 19880, 21805, 23140, 24920, 25276, 25480, 25844, 27832, 31595, 32305, 32396, 34790, 34888, 36920, 40495, 43610, 44233, 45227, 46280, 50552, 51688, 56693, 63190, 64610, 64792, 69580, 80990, 82147, 87220, 88466, 90454, 113386, 126380, 129220, 139160, 161980, 164294, 174440, 176932, 180908, 221165, 226135, 226772, 252760, 258440, 283465, 309631, 323960, 328588, 353864, 361816, 410735, 442330, 452270, 453544, 566930, 575029, 619262, 657176, 821470, 884660, 904540, 1133860, 1150058, 1238524, 1548155, 1642940, 1769320, 1809080, 2267720, 2300116, 2477048, 2875145, 3096310, 3285880, 4025203, 4600232, 5750290, 6192620, 8050406, 11500580, 12385240, 16100812, 20126015, 23001160, 32201624, 40252030, 80504060, 161008120]

約数ペア:

[(1, 161008120), (2, 80504060), (4, 40252030), (5, 32201624), (7, 23001160), (8, 20126015), (10, 16100812), (13, 12385240), (14, 11500580), (20, 8050406), (26, 6192620), (28, 5750290), (35, 4600232), (40, 4025203), (49, 3285880), (52, 3096310), (56, 2875145), (65, 2477048), (70, 2300116), (71, 2267720), (89, 1809080), (91, 1769320), (98, 1642940), (104, 1548155), (130, 1238524), (140, 1150058), (142, 1133860), (178, 904540), (182, 884660), (196, 821470), (245, 657176), (260, 619262), (280, 575029), (284, 566930), (355, 453544), (356, 452270), (364, 442330), (392, 410735), (445, 361816), (455, 353864), (490, 328588), (497, 323960), (520, 309631), (568, 283465), (623, 258440), (637, 252760), (710, 226772), (712, 226135), (728, 221165), (890, 180908), (910, 176932), (923, 174440), (980, 164294), (994, 161980), (1157, 139160), (1246, 129220), (1274, 126380), (1420, 113386), (1780, 90454), (1820, 88466), (1846, 87220), (1960, 82147), (1988, 80990), (2314, 69580), (2485, 64792), (2492, 64610), (2548, 63190), (2840, 56693), (3115, 51688), (3185, 50552), (3479, 46280), (3560, 45227), (3640, 44233), (3692, 43610), (3976, 40495), (4361, 36920), (4615, 34888), (4628, 34790), (4970, 32396), (4984, 32305), (5096, 31595), (5785, 27832), (6230, 25844), (6319, 25480), (6370, 25276), (6461, 24920), (6958, 23140), (7384, 21805), (8099, 19880), (8722, 18460), (9230, 17444), (9256, 17395), (9940, 16198), (11570, 13916), (12460, 12922), (12638, 12740)]