168519720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:643

約数の個数: 128

約数和(自身を含む): 528768000

約数和(自身を除く): 360248280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 89, 93, 120, 124, 155, 178, 186, 248, 267, 310, 356, 372, 445, 465, 509, 534, 620, 712, 744, 890, 930, 1018, 1068, 1240, 1335, 1527, 1780, 1860, 2036, 2136, 2545, 2670, 2759, 3054, 3560, 3720, 4072, 5090, 5340, 5518, 6108, 7635, 8277, 10180, 10680, 11036, 12216, 13795, 15270, 15779, 16554, 20360, 22072, 27590, 30540, 31558, 33108, 41385, 45301, 47337, 55180, 61080, 63116, 66216, 78895, 82770, 90602, 94674, 110360, 126232, 135903, 157790, 165540, 181204, 189348, 226505, 236685, 271806, 315580, 331080, 362408, 378696, 453010, 473370, 543612, 631160, 679515, 906020, 946740, 1087224, 1359030, 1404331, 1812040, 1893480, 2718060, 2808662, 4212993, 5436120, 5617324, 7021655, 8425986, 11234648, 14043310, 16851972, 21064965, 28086620, 33703944, 42129930, 56173240, 84259860, 168519720]

約数ペア:

[(1, 168519720), (2, 84259860), (3, 56173240), (4, 42129930), (5, 33703944), (6, 28086620), (8, 21064965), (10, 16851972), (12, 14043310), (15, 11234648), (20, 8425986), (24, 7021655), (30, 5617324), (31, 5436120), (40, 4212993), (60, 2808662), (62, 2718060), (89, 1893480), (93, 1812040), (120, 1404331), (124, 1359030), (155, 1087224), (178, 946740), (186, 906020), (248, 679515), (267, 631160), (310, 543612), (356, 473370), (372, 453010), (445, 378696), (465, 362408), (509, 331080), (534, 315580), (620, 271806), (712, 236685), (744, 226505), (890, 189348), (930, 181204), (1018, 165540), (1068, 157790), (1240, 135903), (1335, 126232), (1527, 110360), (1780, 94674), (1860, 90602), (2036, 82770), (2136, 78895), (2545, 66216), (2670, 63116), (2759, 61080), (3054, 55180), (3560, 47337), (3720, 45301), (4072, 41385), (5090, 33108), (5340, 31558), (5518, 30540), (6108, 27590), (7635, 22072), (8277, 20360), (10180, 16554), (10680, 15779), (11036, 15270), (12216, 13795)]