158579680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:321

約数の個数: 144

約数和(自身を含む): 442123920

約数和(自身を除く): 283544240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 113, 140, 160, 179, 196, 224, 226, 245, 280, 358, 392, 452, 490, 560, 565, 716, 784, 791, 895, 904, 980, 1120, 1130, 1253, 1432, 1568, 1582, 1790, 1808, 1960, 2260, 2506, 2864, 3164, 3580, 3616, 3920, 3955, 4520, 5012, 5537, 5728, 6265, 6328, 7160, 7840, 7910, 8771, 9040, 10024, 11074, 12530, 12656, 14320, 15820, 17542, 18080, 20048, 20227, 22148, 25060, 25312, 27685, 28640, 31640, 35084, 40096, 40454, 43855, 44296, 50120, 55370, 63280, 70168, 80908, 87710, 88592, 100240, 101135, 110740, 126560, 140336, 141589, 161816, 175420, 177184, 200480, 202270, 221480, 280672, 283178, 323632, 350840, 404540, 442960, 566356, 647264, 701680, 707945, 809080, 885920, 991123, 1132712, 1403360, 1415890, 1618160, 1982246, 2265424, 2831780, 3236320, 3964492, 4530848, 4955615, 5663560, 7928984, 9911230, 11327120, 15857968, 19822460, 22654240, 31715936, 39644920, 79289840, 158579680]

約数ペア:

[(1, 158579680), (2, 79289840), (4, 39644920), (5, 31715936), (7, 22654240), (8, 19822460), (10, 15857968), (14, 11327120), (16, 9911230), (20, 7928984), (28, 5663560), (32, 4955615), (35, 4530848), (40, 3964492), (49, 3236320), (56, 2831780), (70, 2265424), (80, 1982246), (98, 1618160), (112, 1415890), (113, 1403360), (140, 1132712), (160, 991123), (179, 885920), (196, 809080), (224, 707945), (226, 701680), (245, 647264), (280, 566356), (358, 442960), (392, 404540), (452, 350840), (490, 323632), (560, 283178), (565, 280672), (716, 221480), (784, 202270), (791, 200480), (895, 177184), (904, 175420), (980, 161816), (1120, 141589), (1130, 140336), (1253, 126560), (1432, 110740), (1568, 101135), (1582, 100240), (1790, 88592), (1808, 87710), (1960, 80908), (2260, 70168), (2506, 63280), (2864, 55370), (3164, 50120), (3580, 44296), (3616, 43855), (3920, 40454), (3955, 40096), (4520, 35084), (5012, 31640), (5537, 28640), (5728, 27685), (6265, 25312), (6328, 25060), (7160, 22148), (7840, 20227), (7910, 20048), (8771, 18080), (9040, 17542), (10024, 15820), (11074, 14320), (12530, 12656)]