21870360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:865

約数の個数: 96

約数和(自身を含む): 72072000

約数和(自身を除く): 50201640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 158, 180, 237, 316, 360, 395, 474, 632, 711, 769, 790, 948, 1185, 1422, 1538, 1580, 1896, 2307, 2370, 2844, 3076, 3160, 3555, 3845, 4614, 4740, 5688, 6152, 6921, 7110, 7690, 9228, 9480, 11535, 13842, 14220, 15380, 18456, 23070, 27684, 28440, 30760, 34605, 46140, 55368, 60751, 69210, 92280, 121502, 138420, 182253, 243004, 276840, 303755, 364506, 486008, 546759, 607510, 729012, 911265, 1093518, 1215020, 1458024, 1822530, 2187036, 2430040, 2733795, 3645060, 4374072, 5467590, 7290120, 10935180, 21870360]

約数ペア:

[(1, 21870360), (2, 10935180), (3, 7290120), (4, 5467590), (5, 4374072), (6, 3645060), (8, 2733795), (9, 2430040), (10, 2187036), (12, 1822530), (15, 1458024), (18, 1215020), (20, 1093518), (24, 911265), (30, 729012), (36, 607510), (40, 546759), (45, 486008), (60, 364506), (72, 303755), (79, 276840), (90, 243004), (120, 182253), (158, 138420), (180, 121502), (237, 92280), (316, 69210), (360, 60751), (395, 55368), (474, 46140), (632, 34605), (711, 30760), (769, 28440), (790, 27684), (948, 23070), (1185, 18456), (1422, 15380), (1538, 14220), (1580, 13842), (1896, 11535), (2307, 9480), (2370, 9228), (2844, 7690), (3076, 7110), (3160, 6921), (3555, 6152), (3845, 5688), (4614, 4740)]