247450680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 256

約数和(自身を含む): 898560000

約数和(自身を除く): 651109320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 31, 36, 38, 40, 45, 54, 57, 60, 62, 72, 76, 90, 93, 95, 108, 114, 120, 124, 135, 152, 155, 171, 180, 186, 190, 216, 228, 248, 270, 279, 285, 310, 342, 360, 372, 380, 389, 456, 465, 513, 540, 558, 570, 589, 620, 684, 744, 760, 778, 837, 855, 930, 1026, 1080, 1116, 1140, 1167, 1178, 1240, 1368, 1395, 1556, 1674, 1710, 1767, 1860, 1945, 2052, 2232, 2280, 2334, 2356, 2565, 2790, 2945, 3112, 3348, 3420, 3501, 3534, 3720, 3890, 4104, 4185, 4668, 4712, 5130, 5301, 5580, 5835, 5890, 6696, 6840, 7002, 7068, 7391, 7780, 8370, 8835, 9336, 10260, 10503, 10602, 11160, 11670, 11780, 12059, 14004, 14136, 14782, 15560, 15903, 16740, 17505, 17670, 20520, 21006, 21204, 22173, 23340, 23560, 24118, 26505, 28008, 29564, 31806, 33480, 35010, 35340, 36177, 36955, 42012, 42408, 44346, 46680, 48236, 52515, 53010, 59128, 60295, 63612, 66519, 70020, 70680, 72354, 73910, 79515, 84024, 88692, 96472, 105030, 106020, 108531, 110865, 120590, 127224, 133038, 140040, 144708, 147820, 159030, 177384, 180885, 199557, 210060, 212040, 217062, 221730, 229121, 241180, 266076, 289416, 295640, 318060, 325593, 332595, 361770, 399114, 420120, 434124, 443460, 458242, 482360, 532152, 542655, 636120, 651186, 665190, 687363, 723540, 798228, 868248, 886920, 916484, 997785, 1085310, 1145605, 1302372, 1330380, 1374726, 1447080, 1596456, 1627965, 1832968, 1995570, 2062089, 2170620, 2291210, 2604744, 2660760, 2749452, 3255930, 3436815, 3991140, 4124178, 4341240, 4582420, 5498904, 6186267, 6511860, 6873630, 7982280, 8248356, 9164840, 10310445, 12372534, 13023720, 13747260, 16496712, 20620890, 24745068, 27494520, 30931335, 41241780, 49490136, 61862670, 82483560, 123725340, 247450680]

約数ペア:

[(1, 247450680), (2, 123725340), (3, 82483560), (4, 61862670), (5, 49490136), (6, 41241780), (8, 30931335), (9, 27494520), (10, 24745068), (12, 20620890), (15, 16496712), (18, 13747260), (19, 13023720), (20, 12372534), (24, 10310445), (27, 9164840), (30, 8248356), (31, 7982280), (36, 6873630), (38, 6511860), (40, 6186267), (45, 5498904), (54, 4582420), (57, 4341240), (60, 4124178), (62, 3991140), (72, 3436815), (76, 3255930), (90, 2749452), (93, 2660760), (95, 2604744), (108, 2291210), (114, 2170620), (120, 2062089), (124, 1995570), (135, 1832968), (152, 1627965), (155, 1596456), (171, 1447080), (180, 1374726), (186, 1330380), (190, 1302372), (216, 1145605), (228, 1085310), (248, 997785), (270, 916484), (279, 886920), (285, 868248), (310, 798228), (342, 723540), (360, 687363), (372, 665190), (380, 651186), (389, 636120), (456, 542655), (465, 532152), (513, 482360), (540, 458242), (558, 443460), (570, 434124), (589, 420120), (620, 399114), (684, 361770), (744, 332595), (760, 325593), (778, 318060), (837, 295640), (855, 289416), (930, 266076), (1026, 241180), (1080, 229121), (1116, 221730), (1140, 217062), (1167, 212040), (1178, 210060), (1240, 199557), (1368, 180885), (1395, 177384), (1556, 159030), (1674, 147820), (1710, 144708), (1767, 140040), (1860, 133038), (1945, 127224), (2052, 120590), (2232, 110865), (2280, 108531), (2334, 106020), (2356, 105030), (2565, 96472), (2790, 88692), (2945, 84024), (3112, 79515), (3348, 73910), (3420, 72354), (3501, 70680), (3534, 70020), (3720, 66519), (3890, 63612), (4104, 60295), (4185, 59128), (4668, 53010), (4712, 52515), (5130, 48236), (5301, 46680), (5580, 44346), (5835, 42408), (5890, 42012), (6696, 36955), (6840, 36177), (7002, 35340), (7068, 35010), (7391, 33480), (7780, 31806), (8370, 29564), (8835, 28008), (9336, 26505), (10260, 24118), (10503, 23560), (10602, 23340), (11160, 22173), (11670, 21204), (11780, 21006), (12059, 20520), (14004, 17670), (14136, 17505), (14782, 16740), (15560, 15903)]