291220140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{47123}}^1$

素因数の和:47238

約数の個数: 48

約数和(自身を含む): 823350528

約数和(自身を除く): 532130388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 6180, 47123, 94246, 141369, 188492, 235615, 282738, 471230, 565476, 706845, 942460, 1413690, 2827380, 4853669, 9707338, 14561007, 19414676, 24268345, 29122014, 48536690, 58244028, 72805035, 97073380, 145610070, 291220140]

約数ペア:

[(1, 291220140), (2, 145610070), (3, 97073380), (4, 72805035), (5, 58244028), (6, 48536690), (10, 29122014), (12, 24268345), (15, 19414676), (20, 14561007), (30, 9707338), (60, 4853669), (103, 2827380), (206, 1413690), (309, 942460), (412, 706845), (515, 565476), (618, 471230), (1030, 282738), (1236, 235615), (1545, 188492), (2060, 141369), (3090, 94246), (6180, 47123)]