28428180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2267}}^1$

素因数の和:2309

約数の個数: 96

約数和(自身を含む): 91445760

約数和(自身を除く): 63017580

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 132, 165, 190, 209, 220, 228, 285, 330, 380, 418, 570, 627, 660, 836, 1045, 1140, 1254, 2090, 2267, 2508, 3135, 4180, 4534, 6270, 6801, 9068, 11335, 12540, 13602, 22670, 24937, 27204, 34005, 43073, 45340, 49874, 68010, 74811, 86146, 99748, 124685, 129219, 136020, 149622, 172292, 215365, 249370, 258438, 299244, 374055, 430730, 473803, 498740, 516876, 646095, 748110, 861460, 947606, 1292190, 1421409, 1496220, 1895212, 2369015, 2584380, 2842818, 4738030, 5685636, 7107045, 9476060, 14214090, 28428180]

約数ペア:

[(1, 28428180), (2, 14214090), (3, 9476060), (4, 7107045), (5, 5685636), (6, 4738030), (10, 2842818), (11, 2584380), (12, 2369015), (15, 1895212), (19, 1496220), (20, 1421409), (22, 1292190), (30, 947606), (33, 861460), (38, 748110), (44, 646095), (55, 516876), (57, 498740), (60, 473803), (66, 430730), (76, 374055), (95, 299244), (110, 258438), (114, 249370), (132, 215365), (165, 172292), (190, 149622), (209, 136020), (220, 129219), (228, 124685), (285, 99748), (330, 86146), (380, 74811), (418, 68010), (570, 49874), (627, 45340), (660, 43073), (836, 34005), (1045, 27204), (1140, 24937), (1254, 22670), (2090, 13602), (2267, 12540), (2508, 11335), (3135, 9068), (4180, 6801), (4534, 6270)]