84389940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{743}}^1$

素因数の和:1389

約数の個数: 72

約数和(自身を含む): 256733568

約数和(自身を除く): 172343628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 631, 743, 1262, 1486, 1893, 2229, 2524, 2972, 3155, 3715, 3786, 4458, 5679, 6310, 6687, 7430, 7572, 8916, 9465, 11145, 11358, 12620, 13374, 14860, 18930, 22290, 22716, 26748, 28395, 33435, 37860, 44580, 56790, 66870, 113580, 133740, 468833, 937666, 1406499, 1875332, 2344165, 2812998, 4219497, 4688330, 5625996, 7032495, 8438994, 9376660, 14064990, 16877988, 21097485, 28129980, 42194970, 84389940]

約数ペア:

[(1, 84389940), (2, 42194970), (3, 28129980), (4, 21097485), (5, 16877988), (6, 14064990), (9, 9376660), (10, 8438994), (12, 7032495), (15, 5625996), (18, 4688330), (20, 4219497), (30, 2812998), (36, 2344165), (45, 1875332), (60, 1406499), (90, 937666), (180, 468833), (631, 133740), (743, 113580), (1262, 66870), (1486, 56790), (1893, 44580), (2229, 37860), (2524, 33435), (2972, 28395), (3155, 26748), (3715, 22716), (3786, 22290), (4458, 18930), (5679, 14860), (6310, 13374), (6687, 12620), (7430, 11358), (7572, 11145), (8916, 9465)]