156779220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{239}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 491662080

約数和(自身を除く): 334882860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 174, 195, 239, 260, 290, 348, 377, 390, 435, 478, 580, 717, 754, 780, 841, 870, 956, 1131, 1195, 1434, 1508, 1682, 1740, 1885, 2262, 2390, 2523, 2868, 3107, 3364, 3585, 3770, 4205, 4524, 4780, 5046, 5655, 6214, 6931, 7170, 7540, 8410, 9321, 10092, 10933, 11310, 12428, 12615, 13862, 14340, 15535, 16820, 18642, 20793, 21866, 22620, 25230, 27724, 31070, 32799, 34655, 37284, 41586, 43732, 46605, 50460, 54665, 62140, 65598, 69310, 83172, 90103, 93210, 103965, 109330, 131196, 138620, 163995, 180206, 186420, 200999, 207930, 218660, 270309, 327990, 360412, 401998, 415860, 450515, 540618, 602997, 655980, 803996, 901030, 1004995, 1081236, 1205994, 1351545, 1802060, 2009990, 2411988, 2612987, 2703090, 3014985, 4019980, 5225974, 5406180, 6029970, 7838961, 10451948, 12059940, 13064935, 15677922, 26129870, 31355844, 39194805, 52259740, 78389610, 156779220]

約数ペア:

[(1, 156779220), (2, 78389610), (3, 52259740), (4, 39194805), (5, 31355844), (6, 26129870), (10, 15677922), (12, 13064935), (13, 12059940), (15, 10451948), (20, 7838961), (26, 6029970), (29, 5406180), (30, 5225974), (39, 4019980), (52, 3014985), (58, 2703090), (60, 2612987), (65, 2411988), (78, 2009990), (87, 1802060), (116, 1351545), (130, 1205994), (145, 1081236), (156, 1004995), (174, 901030), (195, 803996), (239, 655980), (260, 602997), (290, 540618), (348, 450515), (377, 415860), (390, 401998), (435, 360412), (478, 327990), (580, 270309), (717, 218660), (754, 207930), (780, 200999), (841, 186420), (870, 180206), (956, 163995), (1131, 138620), (1195, 131196), (1434, 109330), (1508, 103965), (1682, 93210), (1740, 90103), (1885, 83172), (2262, 69310), (2390, 65598), (2523, 62140), (2868, 54665), (3107, 50460), (3364, 46605), (3585, 43732), (3770, 41586), (4205, 37284), (4524, 34655), (4780, 32799), (5046, 31070), (5655, 27724), (6214, 25230), (6931, 22620), (7170, 21866), (7540, 20793), (8410, 18642), (9321, 16820), (10092, 15535), (10933, 14340), (11310, 13862), (12428, 12615)]