257624460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84191}}^1$

素因数の和:84223

約数の個数: 72

約数和(自身を含む): 827438976

約数和(自身を除く): 569814516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 84191, 168382, 252573, 336764, 420955, 505146, 757719, 841910, 1010292, 1262865, 1431247, 1515438, 1683820, 2525730, 2862494, 3030876, 3788595, 4293741, 5051460, 5724988, 7156235, 7577190, 8587482, 12881223, 14312470, 15154380, 17174964, 21468705, 25762446, 28624940, 42937410, 51524892, 64406115, 85874820, 128812230, 257624460]

約数ペア:

[(1, 257624460), (2, 128812230), (3, 85874820), (4, 64406115), (5, 51524892), (6, 42937410), (9, 28624940), (10, 25762446), (12, 21468705), (15, 17174964), (17, 15154380), (18, 14312470), (20, 12881223), (30, 8587482), (34, 7577190), (36, 7156235), (45, 5724988), (51, 5051460), (60, 4293741), (68, 3788595), (85, 3030876), (90, 2862494), (102, 2525730), (153, 1683820), (170, 1515438), (180, 1431247), (204, 1262865), (255, 1010292), (306, 841910), (340, 757719), (510, 505146), (612, 420955), (765, 336764), (1020, 252573), (1530, 168382), (3060, 84191)]