28158840

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2897}}^1$

素因数の和:2923

約数の個数: 96

約数和(自身を含む): 94938480

約数和(自身を除く): 66779640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 2897, 3240, 4860, 5794, 8691, 9720, 11588, 14485, 17382, 23176, 26073, 28970, 34764, 43455, 52146, 57940, 69528, 78219, 86910, 104292, 115880, 130365, 156438, 173820, 208584, 234657, 260730, 312876, 347640, 391095, 469314, 521460, 625752, 703971, 782190, 938628, 1042920, 1173285, 1407942, 1564380, 1877256, 2346570, 2815884, 3128760, 3519855, 4693140, 5631768, 7039710, 9386280, 14079420, 28158840]

約数ペア:

[(1, 28158840), (2, 14079420), (3, 9386280), (4, 7039710), (5, 5631768), (6, 4693140), (8, 3519855), (9, 3128760), (10, 2815884), (12, 2346570), (15, 1877256), (18, 1564380), (20, 1407942), (24, 1173285), (27, 1042920), (30, 938628), (36, 782190), (40, 703971), (45, 625752), (54, 521460), (60, 469314), (72, 391095), (81, 347640), (90, 312876), (108, 260730), (120, 234657), (135, 208584), (162, 173820), (180, 156438), (216, 130365), (243, 115880), (270, 104292), (324, 86910), (360, 78219), (405, 69528), (486, 57940), (540, 52146), (648, 43455), (810, 34764), (972, 28970), (1080, 26073), (1215, 23176), (1620, 17382), (1944, 14485), (2430, 11588), (2897, 9720), (3240, 8691), (4860, 5794)]