243978840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{13831}}^1$

素因数の和:13862

約数の個数: 144

約数和(自身を含む): 922456080

約数和(自身を除く): 678477240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 13831, 17640, 27662, 41493, 55324, 69155, 82986, 96817, 110648, 124479, 138310, 165972, 193634, 207465, 248958, 276620, 290451, 331944, 387268, 414930, 484085, 497916, 553240, 580902, 622395, 677719, 774536, 829860, 871353, 968170, 995832, 1161804, 1244790, 1355438, 1452255, 1659720, 1742706, 1936340, 2033157, 2323608, 2489580, 2710876, 2904510, 3388595, 3485412, 3872680, 4066314, 4356765, 4979160, 5421752, 5809020, 6099471, 6777190, 6970824, 8132628, 8713530, 10165785, 11618040, 12198942, 13554380, 16265256, 17427060, 20331570, 24397884, 27108760, 30497355, 34854120, 40663140, 48795768, 60994710, 81326280, 121989420, 243978840]

約数ペア:

[(1, 243978840), (2, 121989420), (3, 81326280), (4, 60994710), (5, 48795768), (6, 40663140), (7, 34854120), (8, 30497355), (9, 27108760), (10, 24397884), (12, 20331570), (14, 17427060), (15, 16265256), (18, 13554380), (20, 12198942), (21, 11618040), (24, 10165785), (28, 8713530), (30, 8132628), (35, 6970824), (36, 6777190), (40, 6099471), (42, 5809020), (45, 5421752), (49, 4979160), (56, 4356765), (60, 4066314), (63, 3872680), (70, 3485412), (72, 3388595), (84, 2904510), (90, 2710876), (98, 2489580), (105, 2323608), (120, 2033157), (126, 1936340), (140, 1742706), (147, 1659720), (168, 1452255), (180, 1355438), (196, 1244790), (210, 1161804), (245, 995832), (252, 968170), (280, 871353), (294, 829860), (315, 774536), (360, 677719), (392, 622395), (420, 580902), (441, 553240), (490, 497916), (504, 484085), (588, 414930), (630, 387268), (735, 331944), (840, 290451), (882, 276620), (980, 248958), (1176, 207465), (1260, 193634), (1470, 165972), (1764, 138310), (1960, 124479), (2205, 110648), (2520, 96817), (2940, 82986), (3528, 69155), (4410, 55324), (5880, 41493), (8820, 27662), (13831, 17640)]