89891940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1559}}^1$

素因数の和:1633

約数の個数: 72

約数和(自身を含む): 260245440

約数和(自身を除く): 170353500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 961, 1559, 1860, 1922, 2883, 3118, 3844, 4677, 4805, 5766, 6236, 7795, 9354, 9610, 11532, 14415, 15590, 18708, 19220, 23385, 28830, 31180, 46770, 48329, 57660, 93540, 96658, 144987, 193316, 241645, 289974, 483290, 579948, 724935, 966580, 1449870, 1498199, 2899740, 2996398, 4494597, 5992796, 7490995, 8989194, 14981990, 17978388, 22472985, 29963980, 44945970, 89891940]

約数ペア:

[(1, 89891940), (2, 44945970), (3, 29963980), (4, 22472985), (5, 17978388), (6, 14981990), (10, 8989194), (12, 7490995), (15, 5992796), (20, 4494597), (30, 2996398), (31, 2899740), (60, 1498199), (62, 1449870), (93, 966580), (124, 724935), (155, 579948), (186, 483290), (310, 289974), (372, 241645), (465, 193316), (620, 144987), (930, 96658), (961, 93540), (1559, 57660), (1860, 48329), (1922, 46770), (2883, 31180), (3118, 28830), (3844, 23385), (4677, 19220), (4805, 18708), (5766, 15590), (6236, 14415), (7795, 11532), (9354, 9610)]