87979140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 283046400

約数和(自身を除く): 195067260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 79, 90, 92, 115, 138, 158, 180, 207, 230, 237, 269, 276, 316, 345, 395, 414, 460, 474, 538, 690, 711, 790, 807, 828, 948, 1035, 1076, 1185, 1345, 1380, 1422, 1580, 1614, 1817, 2070, 2370, 2421, 2690, 2844, 3228, 3555, 3634, 4035, 4140, 4740, 4842, 5380, 5451, 6187, 7110, 7268, 8070, 9085, 9684, 10902, 12105, 12374, 14220, 16140, 16353, 18170, 18561, 21251, 21804, 24210, 24748, 27255, 30935, 32706, 36340, 37122, 42502, 48420, 54510, 55683, 61870, 63753, 65412, 74244, 81765, 85004, 92805, 106255, 109020, 111366, 123740, 127506, 163530, 185610, 191259, 212510, 222732, 255012, 278415, 318765, 327060, 371220, 382518, 425020, 488773, 556830, 637530, 765036, 956295, 977546, 1113660, 1275060, 1466319, 1912590, 1955092, 2443865, 2932638, 3825180, 4398957, 4887730, 5865276, 7331595, 8797914, 9775460, 14663190, 17595828, 21994785, 29326380, 43989570, 87979140]

約数ペア:

[(1, 87979140), (2, 43989570), (3, 29326380), (4, 21994785), (5, 17595828), (6, 14663190), (9, 9775460), (10, 8797914), (12, 7331595), (15, 5865276), (18, 4887730), (20, 4398957), (23, 3825180), (30, 2932638), (36, 2443865), (45, 1955092), (46, 1912590), (60, 1466319), (69, 1275060), (79, 1113660), (90, 977546), (92, 956295), (115, 765036), (138, 637530), (158, 556830), (180, 488773), (207, 425020), (230, 382518), (237, 371220), (269, 327060), (276, 318765), (316, 278415), (345, 255012), (395, 222732), (414, 212510), (460, 191259), (474, 185610), (538, 163530), (690, 127506), (711, 123740), (790, 111366), (807, 109020), (828, 106255), (948, 92805), (1035, 85004), (1076, 81765), (1185, 74244), (1345, 65412), (1380, 63753), (1422, 61870), (1580, 55683), (1614, 54510), (1817, 48420), (2070, 42502), (2370, 37122), (2421, 36340), (2690, 32706), (2844, 30935), (3228, 27255), (3555, 24748), (3634, 24210), (4035, 21804), (4140, 21251), (4740, 18561), (4842, 18170), (5380, 16353), (5451, 16140), (6187, 14220), (7110, 12374), (7268, 12105), (8070, 10902), (9085, 9684)]