123159540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 405179712

約数和(自身を除く): 282020172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 163, 196, 210, 245, 257, 294, 326, 420, 489, 490, 514, 588, 652, 735, 771, 815, 978, 980, 1028, 1141, 1285, 1470, 1542, 1630, 1799, 1956, 2282, 2445, 2570, 2940, 3084, 3260, 3423, 3598, 3855, 4564, 4890, 5140, 5397, 5705, 6846, 7196, 7710, 7987, 8995, 9780, 10794, 11410, 12593, 13692, 15420, 15974, 17115, 17990, 21588, 22820, 23961, 25186, 26985, 31948, 34230, 35980, 37779, 39935, 41891, 47922, 50372, 53970, 62965, 68460, 75558, 79870, 83782, 95844, 107940, 119805, 125673, 125930, 151116, 159740, 167564, 188895, 209455, 239610, 251346, 251860, 293237, 377790, 418910, 479220, 502692, 586474, 628365, 755580, 837820, 879711, 1172948, 1256730, 1466185, 1759422, 2052659, 2513460, 2932370, 3518844, 4105318, 4398555, 5864740, 6157977, 8210636, 8797110, 10263295, 12315954, 17594220, 20526590, 24631908, 30789885, 41053180, 61579770, 123159540]

約数ペア:

[(1, 123159540), (2, 61579770), (3, 41053180), (4, 30789885), (5, 24631908), (6, 20526590), (7, 17594220), (10, 12315954), (12, 10263295), (14, 8797110), (15, 8210636), (20, 6157977), (21, 5864740), (28, 4398555), (30, 4105318), (35, 3518844), (42, 2932370), (49, 2513460), (60, 2052659), (70, 1759422), (84, 1466185), (98, 1256730), (105, 1172948), (140, 879711), (147, 837820), (163, 755580), (196, 628365), (210, 586474), (245, 502692), (257, 479220), (294, 418910), (326, 377790), (420, 293237), (489, 251860), (490, 251346), (514, 239610), (588, 209455), (652, 188895), (735, 167564), (771, 159740), (815, 151116), (978, 125930), (980, 125673), (1028, 119805), (1141, 107940), (1285, 95844), (1470, 83782), (1542, 79870), (1630, 75558), (1799, 68460), (1956, 62965), (2282, 53970), (2445, 50372), (2570, 47922), (2940, 41891), (3084, 39935), (3260, 37779), (3423, 35980), (3598, 34230), (3855, 31948), (4564, 26985), (4890, 25186), (5140, 23961), (5397, 22820), (5705, 21588), (6846, 17990), (7196, 17115), (7710, 15974), (7987, 15420), (8995, 13692), (9780, 12593), (10794, 11410)]