16371720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 57150720

約数和(自身を除く): 40779000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 163, 180, 186, 216, 248, 270, 279, 310, 324, 326, 360, 372, 405, 465, 489, 540, 558, 620, 648, 652, 744, 810, 815, 837, 930, 978, 1080, 1116, 1240, 1304, 1395, 1467, 1620, 1630, 1674, 1860, 1956, 2232, 2445, 2511, 2790, 2934, 3240, 3260, 3348, 3720, 3912, 4185, 4401, 4890, 5022, 5053, 5580, 5868, 6520, 6696, 7335, 8370, 8802, 9780, 10044, 10106, 11160, 11736, 12555, 13203, 14670, 15159, 16740, 17604, 19560, 20088, 20212, 22005, 25110, 25265, 26406, 29340, 30318, 33480, 35208, 40424, 44010, 45477, 50220, 50530, 52812, 58680, 60636, 66015, 75795, 88020, 90954, 100440, 101060, 105624, 121272, 132030, 136431, 151590, 176040, 181908, 202120, 227385, 264060, 272862, 303180, 363816, 409293, 454770, 528120, 545724, 606360, 682155, 818586, 909540, 1091448, 1364310, 1637172, 1819080, 2046465, 2728620, 3274344, 4092930, 5457240, 8185860, 16371720]

約数ペア:

[(1, 16371720), (2, 8185860), (3, 5457240), (4, 4092930), (5, 3274344), (6, 2728620), (8, 2046465), (9, 1819080), (10, 1637172), (12, 1364310), (15, 1091448), (18, 909540), (20, 818586), (24, 682155), (27, 606360), (30, 545724), (31, 528120), (36, 454770), (40, 409293), (45, 363816), (54, 303180), (60, 272862), (62, 264060), (72, 227385), (81, 202120), (90, 181908), (93, 176040), (108, 151590), (120, 136431), (124, 132030), (135, 121272), (155, 105624), (162, 101060), (163, 100440), (180, 90954), (186, 88020), (216, 75795), (248, 66015), (270, 60636), (279, 58680), (310, 52812), (324, 50530), (326, 50220), (360, 45477), (372, 44010), (405, 40424), (465, 35208), (489, 33480), (540, 30318), (558, 29340), (620, 26406), (648, 25265), (652, 25110), (744, 22005), (810, 20212), (815, 20088), (837, 19560), (930, 17604), (978, 16740), (1080, 15159), (1116, 14670), (1240, 13203), (1304, 12555), (1395, 11736), (1467, 11160), (1620, 10106), (1630, 10044), (1674, 9780), (1860, 8802), (1956, 8370), (2232, 7335), (2445, 6696), (2511, 6520), (2790, 5868), (2934, 5580), (3240, 5053), (3260, 5022), (3348, 4890), (3720, 4401), (3912, 4185)]