171478980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:514

約数の個数: 144

約数和(自身を含む): 545126400

約数和(自身を除く): 373647420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 79, 90, 93, 124, 155, 158, 180, 186, 237, 279, 310, 316, 372, 389, 395, 465, 474, 558, 620, 711, 778, 790, 930, 948, 1116, 1167, 1185, 1395, 1422, 1556, 1580, 1860, 1945, 2334, 2370, 2449, 2790, 2844, 3501, 3555, 3890, 4668, 4740, 4898, 5580, 5835, 7002, 7110, 7347, 7780, 9796, 11670, 12059, 12245, 14004, 14220, 14694, 17505, 22041, 23340, 24118, 24490, 29388, 30731, 35010, 36177, 36735, 44082, 48236, 48980, 60295, 61462, 70020, 72354, 73470, 88164, 92193, 108531, 110205, 120590, 122924, 144708, 146940, 153655, 180885, 184386, 217062, 220410, 241180, 276579, 307310, 361770, 368772, 434124, 440820, 460965, 542655, 553158, 614620, 723540, 921930, 952661, 1085310, 1106316, 1382895, 1843860, 1905322, 2170620, 2765790, 2857983, 3810644, 4763305, 5531580, 5715966, 8573949, 9526610, 11431932, 14289915, 17147898, 19053220, 28579830, 34295796, 42869745, 57159660, 85739490, 171478980]

約数ペア:

[(1, 171478980), (2, 85739490), (3, 57159660), (4, 42869745), (5, 34295796), (6, 28579830), (9, 19053220), (10, 17147898), (12, 14289915), (15, 11431932), (18, 9526610), (20, 8573949), (30, 5715966), (31, 5531580), (36, 4763305), (45, 3810644), (60, 2857983), (62, 2765790), (79, 2170620), (90, 1905322), (93, 1843860), (124, 1382895), (155, 1106316), (158, 1085310), (180, 952661), (186, 921930), (237, 723540), (279, 614620), (310, 553158), (316, 542655), (372, 460965), (389, 440820), (395, 434124), (465, 368772), (474, 361770), (558, 307310), (620, 276579), (711, 241180), (778, 220410), (790, 217062), (930, 184386), (948, 180885), (1116, 153655), (1167, 146940), (1185, 144708), (1395, 122924), (1422, 120590), (1556, 110205), (1580, 108531), (1860, 92193), (1945, 88164), (2334, 73470), (2370, 72354), (2449, 70020), (2790, 61462), (2844, 60295), (3501, 48980), (3555, 48236), (3890, 44082), (4668, 36735), (4740, 36177), (4898, 35010), (5580, 30731), (5835, 29388), (7002, 24490), (7110, 24118), (7347, 23340), (7780, 22041), (9796, 17505), (11670, 14694), (12059, 14220), (12245, 14004)]