161297460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 192

約数和(自身を含む): 537600000

約数和(自身を除く): 376302540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 79, 90, 95, 108, 114, 135, 158, 171, 180, 190, 199, 228, 237, 270, 285, 316, 342, 380, 395, 398, 474, 513, 540, 570, 597, 684, 711, 790, 796, 855, 948, 995, 1026, 1140, 1185, 1194, 1422, 1501, 1580, 1710, 1791, 1990, 2052, 2133, 2370, 2388, 2565, 2844, 2985, 3002, 3420, 3555, 3582, 3781, 3980, 4266, 4503, 4740, 5130, 5373, 5970, 6004, 7110, 7164, 7505, 7562, 8532, 8955, 9006, 10260, 10665, 10746, 11343, 11940, 13509, 14220, 15010, 15124, 15721, 17910, 18012, 18905, 21330, 21492, 22515, 22686, 26865, 27018, 30020, 31442, 34029, 35820, 37810, 40527, 42660, 45030, 45372, 47163, 53730, 54036, 56715, 62884, 67545, 68058, 75620, 78605, 81054, 90060, 94326, 102087, 107460, 113430, 135090, 136116, 141489, 157210, 162108, 170145, 188652, 202635, 204174, 226860, 235815, 270180, 282978, 298699, 314420, 340290, 405270, 408348, 424467, 471630, 510435, 565956, 597398, 680580, 707445, 810540, 848934, 896097, 943260, 1020870, 1194796, 1414890, 1493495, 1697868, 1792194, 2041740, 2122335, 2688291, 2829780, 2986990, 3584388, 4244670, 4480485, 5376582, 5973980, 8064873, 8489340, 8960970, 10753164, 13441455, 16129746, 17921940, 26882910, 32259492, 40324365, 53765820, 80648730, 161297460]

約数ペア:

[(1, 161297460), (2, 80648730), (3, 53765820), (4, 40324365), (5, 32259492), (6, 26882910), (9, 17921940), (10, 16129746), (12, 13441455), (15, 10753164), (18, 8960970), (19, 8489340), (20, 8064873), (27, 5973980), (30, 5376582), (36, 4480485), (38, 4244670), (45, 3584388), (54, 2986990), (57, 2829780), (60, 2688291), (76, 2122335), (79, 2041740), (90, 1792194), (95, 1697868), (108, 1493495), (114, 1414890), (135, 1194796), (158, 1020870), (171, 943260), (180, 896097), (190, 848934), (199, 810540), (228, 707445), (237, 680580), (270, 597398), (285, 565956), (316, 510435), (342, 471630), (380, 424467), (395, 408348), (398, 405270), (474, 340290), (513, 314420), (540, 298699), (570, 282978), (597, 270180), (684, 235815), (711, 226860), (790, 204174), (796, 202635), (855, 188652), (948, 170145), (995, 162108), (1026, 157210), (1140, 141489), (1185, 136116), (1194, 135090), (1422, 113430), (1501, 107460), (1580, 102087), (1710, 94326), (1791, 90060), (1990, 81054), (2052, 78605), (2133, 75620), (2370, 68058), (2388, 67545), (2565, 62884), (2844, 56715), (2985, 54036), (3002, 53730), (3420, 47163), (3555, 45372), (3582, 45030), (3781, 42660), (3980, 40527), (4266, 37810), (4503, 35820), (4740, 34029), (5130, 31442), (5373, 30020), (5970, 27018), (6004, 26865), (7110, 22686), (7164, 22515), (7505, 21492), (7562, 21330), (8532, 18905), (8955, 18012), (9006, 17910), (10260, 15721), (10665, 15124), (10746, 15010), (11343, 14220), (11940, 13509)]