28768860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6949}}^1$

素因数の和:6987

約数の個数: 72

約数和(自身を含む): 91072800

約数和(自身を除く): 62303940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 6949, 13898, 20847, 27796, 34745, 41694, 62541, 69490, 83388, 104235, 125082, 138980, 159827, 208470, 250164, 312705, 319654, 416940, 479481, 625410, 639308, 799135, 958962, 1250820, 1438443, 1598270, 1917924, 2397405, 2876886, 3196540, 4794810, 5753772, 7192215, 9589620, 14384430, 28768860]

約数ペア:

[(1, 28768860), (2, 14384430), (3, 9589620), (4, 7192215), (5, 5753772), (6, 4794810), (9, 3196540), (10, 2876886), (12, 2397405), (15, 1917924), (18, 1598270), (20, 1438443), (23, 1250820), (30, 958962), (36, 799135), (45, 639308), (46, 625410), (60, 479481), (69, 416940), (90, 319654), (92, 312705), (115, 250164), (138, 208470), (180, 159827), (207, 138980), (230, 125082), (276, 104235), (345, 83388), (414, 69490), (460, 62541), (690, 41694), (828, 34745), (1035, 27796), (1380, 20847), (2070, 13898), (4140, 6949)]