490448520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:330

約数の個数: 320

約数和(自身を含む): 1798156800

約数和(自身を除く): 1307708280

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, 81, 90, 93, 95, 108, 114, 120, 124, 135, 152, 155, 162, 171, 180, 186, 190, 216, 228, 248, 257, 270, 279, 285, 310, 324, 342, 360, 372, 380, 405, 456, 465, 513, 514, 540, 558, 570, 589, 620, 648, 684, 744, 760, 771, 810, 837, 855, 930, 1026, 1028, 1080, 1116, 1140, 1178, 1240, 1285, 1368, 1395, 1539, 1542, 1620, 1674, 1710, 1767, 1860, 2052, 2056, 2232, 2280, 2313, 2356, 2511, 2565, 2570, 2790, 2945, 3078, 3084, 3240, 3348, 3420, 3534, 3720, 3855, 4104, 4185, 4626, 4712, 4883, 5022, 5130, 5140, 5301, 5580, 5890, 6156, 6168, 6696, 6840, 6939, 7068, 7695, 7710, 7967, 8370, 8835, 9252, 9766, 10044, 10260, 10280, 10602, 11160, 11565, 11780, 12312, 12555, 13878, 14136, 14649, 15390, 15420, 15903, 15934, 16740, 17670, 18504, 19532, 20088, 20520, 20817, 21204, 23130, 23560, 23901, 24415, 25110, 26505, 27756, 29298, 30780, 30840, 31806, 31868, 33480, 34695, 35340, 39064, 39835, 41634, 42408, 43947, 46260, 47709, 47802, 48830, 50220, 53010, 55512, 58596, 61560, 63612, 63736, 69390, 70680, 71703, 73245, 79515, 79670, 83268, 87894, 92520, 95418, 95604, 97660, 100440, 104085, 106020, 117192, 119505, 127224, 131841, 138780, 143406, 146490, 151373, 159030, 159340, 166536, 175788, 190836, 191208, 195320, 208170, 212040, 215109, 219735, 238545, 239010, 263682, 277560, 286812, 292980, 302746, 318060, 318680, 351576, 358515, 381672, 395523, 416340, 430218, 439470, 454119, 477090, 478020, 527364, 573624, 585960, 605492, 636120, 645327, 659205, 717030, 756865, 791046, 832680, 860436, 878940, 908238, 954180, 956040, 1054728, 1075545, 1210984, 1290654, 1318410, 1362357, 1434060, 1513730, 1582092, 1720872, 1757880, 1816476, 1908360, 1977615, 2151090, 2270595, 2581308, 2636820, 2724714, 2868120, 3027460, 3164184, 3226635, 3632952, 3955230, 4087071, 4302180, 4541190, 5162616, 5273640, 5449428, 6054920, 6453270, 6811785, 7910460, 8174142, 8604360, 9082380, 10898856, 12261213, 12906540, 13623570, 15820920, 16348284, 18164760, 20435355, 24522426, 25813080, 27247140, 32696568, 40870710, 49044852, 54494280, 61306065, 81741420, 98089704, 122612130, 163482840, 245224260, 490448520]

約数ペア:

[(1, 490448520), (2, 245224260), (3, 163482840), (4, 122612130), (5, 98089704), (6, 81741420), (8, 61306065), (9, 54494280), (10, 49044852), (12, 40870710), (15, 32696568), (18, 27247140), (19, 25813080), (20, 24522426), (24, 20435355), (27, 18164760), (30, 16348284), (31, 15820920), (36, 13623570), (38, 12906540), (40, 12261213), (45, 10898856), (54, 9082380), (57, 8604360), (60, 8174142), (62, 7910460), (72, 6811785), (76, 6453270), (81, 6054920), (90, 5449428), (93, 5273640), (95, 5162616), (108, 4541190), (114, 4302180), (120, 4087071), (124, 3955230), (135, 3632952), (152, 3226635), (155, 3164184), (162, 3027460), (171, 2868120), (180, 2724714), (186, 2636820), (190, 2581308), (216, 2270595), (228, 2151090), (248, 1977615), (257, 1908360), (270, 1816476), (279, 1757880), (285, 1720872), (310, 1582092), (324, 1513730), (342, 1434060), (360, 1362357), (372, 1318410), (380, 1290654), (405, 1210984), (456, 1075545), (465, 1054728), (513, 956040), (514, 954180), (540, 908238), (558, 878940), (570, 860436), (589, 832680), (620, 791046), (648, 756865), (684, 717030), (744, 659205), (760, 645327), (771, 636120), (810, 605492), (837, 585960), (855, 573624), (930, 527364), (1026, 478020), (1028, 477090), (1080, 454119), (1116, 439470), (1140, 430218), (1178, 416340), (1240, 395523), (1285, 381672), (1368, 358515), (1395, 351576), (1539, 318680), (1542, 318060), (1620, 302746), (1674, 292980), (1710, 286812), (1767, 277560), (1860, 263682), (2052, 239010), (2056, 238545), (2232, 219735), (2280, 215109), (2313, 212040), (2356, 208170), (2511, 195320), (2565, 191208), (2570, 190836), (2790, 175788), (2945, 166536), (3078, 159340), (3084, 159030), (3240, 151373), (3348, 146490), (3420, 143406), (3534, 138780), (3720, 131841), (3855, 127224), (4104, 119505), (4185, 117192), (4626, 106020), (4712, 104085), (4883, 100440), (5022, 97660), (5130, 95604), (5140, 95418), (5301, 92520), (5580, 87894), (5890, 83268), (6156, 79670), (6168, 79515), (6696, 73245), (6840, 71703), (6939, 70680), (7068, 69390), (7695, 63736), (7710, 63612), (7967, 61560), (8370, 58596), (8835, 55512), (9252, 53010), (9766, 50220), (10044, 48830), (10260, 47802), (10280, 47709), (10602, 46260), (11160, 43947), (11565, 42408), (11780, 41634), (12312, 39835), (12555, 39064), (13878, 35340), (14136, 34695), (14649, 33480), (15390, 31868), (15420, 31806), (15903, 30840), (15934, 30780), (16740, 29298), (17670, 27756), (18504, 26505), (19532, 25110), (20088, 24415), (20520, 23901), (20817, 23560), (21204, 23130)]