248019840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:522

約数の個数: 256

約数和(自身を含む): 908697600

約数和(自身を除く): 660677760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 384, 432, 463, 465, 480, 496, 540, 558, 576, 620, 640, 720, 744, 837, 864, 926, 930, 960, 992, 1080, 1116, 1152, 1240, 1389, 1395, 1440, 1488, 1674, 1728, 1852, 1860, 1920, 1984, 2160, 2232, 2315, 2480, 2778, 2790, 2880, 2976, 3348, 3456, 3704, 3720, 3968, 4167, 4185, 4320, 4464, 4630, 4960, 5556, 5580, 5760, 5952, 6696, 6945, 7408, 7440, 8334, 8370, 8640, 8928, 9260, 9920, 11112, 11160, 11904, 12501, 13392, 13890, 14353, 14816, 14880, 16668, 16740, 17280, 17856, 18520, 19840, 20835, 22224, 22320, 25002, 26784, 27780, 28706, 29632, 29760, 33336, 33480, 35712, 37040, 41670, 43059, 44448, 44640, 50004, 53568, 55560, 57412, 59264, 59520, 62505, 66672, 66960, 71765, 74080, 83340, 86118, 88896, 89280, 100008, 107136, 111120, 114824, 125010, 129177, 133344, 133920, 143530, 148160, 166680, 172236, 177792, 178560, 200016, 215295, 222240, 229648, 250020, 258354, 266688, 267840, 287060, 296320, 333360, 344472, 387531, 400032, 430590, 444480, 459296, 500040, 516708, 533376, 535680, 574120, 645885, 666720, 688944, 775062, 800064, 861180, 888960, 918592, 1000080, 1033416, 1148240, 1291770, 1333440, 1377888, 1550124, 1600128, 1722360, 1837184, 1937655, 2000160, 2066832, 2296480, 2583540, 2666880, 2755776, 3100248, 3444720, 3875310, 4000320, 4133664, 4592960, 5167080, 5511552, 6200496, 6889440, 7750620, 8000640, 8267328, 9185920, 10334160, 12400992, 13778880, 15501240, 16534656, 20668320, 24801984, 27557760, 31002480, 41336640, 49603968, 62004960, 82673280, 124009920, 248019840]

約数ペア:

[(1, 248019840), (2, 124009920), (3, 82673280), (4, 62004960), (5, 49603968), (6, 41336640), (8, 31002480), (9, 27557760), (10, 24801984), (12, 20668320), (15, 16534656), (16, 15501240), (18, 13778880), (20, 12400992), (24, 10334160), (27, 9185920), (30, 8267328), (31, 8000640), (32, 7750620), (36, 6889440), (40, 6200496), (45, 5511552), (48, 5167080), (54, 4592960), (60, 4133664), (62, 4000320), (64, 3875310), (72, 3444720), (80, 3100248), (90, 2755776), (93, 2666880), (96, 2583540), (108, 2296480), (120, 2066832), (124, 2000160), (128, 1937655), (135, 1837184), (144, 1722360), (155, 1600128), (160, 1550124), (180, 1377888), (186, 1333440), (192, 1291770), (216, 1148240), (240, 1033416), (248, 1000080), (270, 918592), (279, 888960), (288, 861180), (310, 800064), (320, 775062), (360, 688944), (372, 666720), (384, 645885), (432, 574120), (463, 535680), (465, 533376), (480, 516708), (496, 500040), (540, 459296), (558, 444480), (576, 430590), (620, 400032), (640, 387531), (720, 344472), (744, 333360), (837, 296320), (864, 287060), (926, 267840), (930, 266688), (960, 258354), (992, 250020), (1080, 229648), (1116, 222240), (1152, 215295), (1240, 200016), (1389, 178560), (1395, 177792), (1440, 172236), (1488, 166680), (1674, 148160), (1728, 143530), (1852, 133920), (1860, 133344), (1920, 129177), (1984, 125010), (2160, 114824), (2232, 111120), (2315, 107136), (2480, 100008), (2778, 89280), (2790, 88896), (2880, 86118), (2976, 83340), (3348, 74080), (3456, 71765), (3704, 66960), (3720, 66672), (3968, 62505), (4167, 59520), (4185, 59264), (4320, 57412), (4464, 55560), (4630, 53568), (4960, 50004), (5556, 44640), (5580, 44448), (5760, 43059), (5952, 41670), (6696, 37040), (6945, 35712), (7408, 33480), (7440, 33336), (8334, 29760), (8370, 29632), (8640, 28706), (8928, 27780), (9260, 26784), (9920, 25002), (11112, 22320), (11160, 22224), (11904, 20835), (12501, 19840), (13392, 18520), (13890, 17856), (14353, 17280), (14816, 16740), (14880, 16668)]