247383720

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:878

約数の個数: 192

約数和(自身を含む): 861719040

約数和(自身を除く): 614335320

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, 180, 186, 216, 243, 248, 270, 279, 310, 324, 360, 372, 405, 465, 486, 540, 558, 620, 648, 744, 810, 821, 837, 930, 972, 1080, 1116, 1215, 1240, 1395, 1620, 1642, 1674, 1860, 1944, 2232, 2430, 2463, 2511, 2790, 3240, 3284, 3348, 3720, 4105, 4185, 4860, 4926, 5022, 5580, 6568, 6696, 7389, 7533, 8210, 8370, 9720, 9852, 10044, 11160, 12315, 12555, 14778, 15066, 16420, 16740, 19704, 20088, 22167, 24630, 25110, 25451, 29556, 30132, 32840, 33480, 36945, 37665, 44334, 49260, 50220, 50902, 59112, 60264, 66501, 73890, 75330, 76353, 88668, 98520, 100440, 101804, 110835, 127255, 133002, 147780, 150660, 152706, 177336, 199503, 203608, 221670, 229059, 254510, 266004, 295560, 301320, 305412, 332505, 381765, 399006, 443340, 458118, 509020, 532008, 610824, 665010, 687177, 763530, 798012, 886680, 916236, 997515, 1018040, 1145295, 1330020, 1374354, 1527060, 1596024, 1832472, 1995030, 2061531, 2290590, 2660040, 2748708, 3054120, 3435885, 3990060, 4123062, 4581180, 5497416, 6184593, 6871770, 7980120, 8246124, 9162360, 10307655, 12369186, 13743540, 16492248, 20615310, 24738372, 27487080, 30922965, 41230620, 49476744, 61845930, 82461240, 123691860, 247383720]

約数ペア:

[(1, 247383720), (2, 123691860), (3, 82461240), (4, 61845930), (5, 49476744), (6, 41230620), (8, 30922965), (9, 27487080), (10, 24738372), (12, 20615310), (15, 16492248), (18, 13743540), (20, 12369186), (24, 10307655), (27, 9162360), (30, 8246124), (31, 7980120), (36, 6871770), (40, 6184593), (45, 5497416), (54, 4581180), (60, 4123062), (62, 3990060), (72, 3435885), (81, 3054120), (90, 2748708), (93, 2660040), (108, 2290590), (120, 2061531), (124, 1995030), (135, 1832472), (155, 1596024), (162, 1527060), (180, 1374354), (186, 1330020), (216, 1145295), (243, 1018040), (248, 997515), (270, 916236), (279, 886680), (310, 798012), (324, 763530), (360, 687177), (372, 665010), (405, 610824), (465, 532008), (486, 509020), (540, 458118), (558, 443340), (620, 399006), (648, 381765), (744, 332505), (810, 305412), (821, 301320), (837, 295560), (930, 266004), (972, 254510), (1080, 229059), (1116, 221670), (1215, 203608), (1240, 199503), (1395, 177336), (1620, 152706), (1642, 150660), (1674, 147780), (1860, 133002), (1944, 127255), (2232, 110835), (2430, 101804), (2463, 100440), (2511, 98520), (2790, 88668), (3240, 76353), (3284, 75330), (3348, 73890), (3720, 66501), (4105, 60264), (4185, 59112), (4860, 50902), (4926, 50220), (5022, 49260), (5580, 44334), (6568, 37665), (6696, 36945), (7389, 33480), (7533, 32840), (8210, 30132), (8370, 29556), (9720, 25451), (9852, 25110), (10044, 24630), (11160, 22167), (12315, 20088), (12555, 19704), (14778, 16740), (15066, 16420)]