217977120

素因数分解:

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

素因数の和:328

約数の個数: 288

約数和(自身を含む): 811399680

約数和(自身を除く): 593422560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 32, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 96, 114, 120, 124, 144, 152, 155, 160, 171, 180, 186, 190, 228, 240, 248, 257, 279, 285, 288, 304, 310, 342, 360, 372, 380, 456, 465, 480, 496, 514, 558, 570, 589, 608, 620, 684, 720, 744, 760, 771, 855, 912, 930, 992, 1028, 1116, 1140, 1178, 1240, 1285, 1368, 1395, 1440, 1488, 1520, 1542, 1710, 1767, 1824, 1860, 2056, 2232, 2280, 2313, 2356, 2480, 2570, 2736, 2790, 2945, 2976, 3040, 3084, 3420, 3534, 3720, 3855, 4112, 4464, 4560, 4626, 4712, 4883, 4960, 5140, 5301, 5472, 5580, 5890, 6168, 6840, 7068, 7440, 7710, 7967, 8224, 8835, 8928, 9120, 9252, 9424, 9766, 10280, 10602, 11160, 11565, 11780, 12336, 13680, 14136, 14649, 14880, 15420, 15934, 17670, 18504, 18848, 19532, 20560, 21204, 22320, 23130, 23560, 23901, 24415, 24672, 26505, 27360, 28272, 29298, 30840, 31868, 35340, 37008, 39064, 39835, 41120, 42408, 43947, 44640, 46260, 47120, 47802, 48830, 53010, 56544, 58596, 61680, 63736, 70680, 71703, 73245, 74016, 78128, 79670, 84816, 87894, 92520, 94240, 95604, 97660, 106020, 117192, 119505, 123360, 127472, 141360, 143406, 146490, 151373, 156256, 159340, 169632, 175788, 185040, 191208, 195320, 212040, 219735, 234384, 239010, 254944, 282720, 286812, 292980, 302746, 318680, 351576, 358515, 370080, 382416, 390640, 424080, 439470, 454119, 468768, 478020, 573624, 585960, 605492, 637360, 703152, 717030, 756865, 764832, 781280, 848160, 878940, 908238, 956040, 1147248, 1171920, 1210984, 1274720, 1362357, 1406304, 1434060, 1513730, 1757880, 1816476, 1912080, 2270595, 2294496, 2343840, 2421968, 2724714, 2868120, 3027460, 3515760, 3632952, 3824160, 4541190, 4843936, 5449428, 5736240, 6054920, 6811785, 7031520, 7265904, 9082380, 10898856, 11472480, 12109840, 13623570, 14531808, 18164760, 21797712, 24219680, 27247140, 36329520, 43595424, 54494280, 72659040, 108988560, 217977120]

約数ペア:

[(1, 217977120), (2, 108988560), (3, 72659040), (4, 54494280), (5, 43595424), (6, 36329520), (8, 27247140), (9, 24219680), (10, 21797712), (12, 18164760), (15, 14531808), (16, 13623570), (18, 12109840), (19, 11472480), (20, 10898856), (24, 9082380), (30, 7265904), (31, 7031520), (32, 6811785), (36, 6054920), (38, 5736240), (40, 5449428), (45, 4843936), (48, 4541190), (57, 3824160), (60, 3632952), (62, 3515760), (72, 3027460), (76, 2868120), (80, 2724714), (90, 2421968), (93, 2343840), (95, 2294496), (96, 2270595), (114, 1912080), (120, 1816476), (124, 1757880), (144, 1513730), (152, 1434060), (155, 1406304), (160, 1362357), (171, 1274720), (180, 1210984), (186, 1171920), (190, 1147248), (228, 956040), (240, 908238), (248, 878940), (257, 848160), (279, 781280), (285, 764832), (288, 756865), (304, 717030), (310, 703152), (342, 637360), (360, 605492), (372, 585960), (380, 573624), (456, 478020), (465, 468768), (480, 454119), (496, 439470), (514, 424080), (558, 390640), (570, 382416), (589, 370080), (608, 358515), (620, 351576), (684, 318680), (720, 302746), (744, 292980), (760, 286812), (771, 282720), (855, 254944), (912, 239010), (930, 234384), (992, 219735), (1028, 212040), (1116, 195320), (1140, 191208), (1178, 185040), (1240, 175788), (1285, 169632), (1368, 159340), (1395, 156256), (1440, 151373), (1488, 146490), (1520, 143406), (1542, 141360), (1710, 127472), (1767, 123360), (1824, 119505), (1860, 117192), (2056, 106020), (2232, 97660), (2280, 95604), (2313, 94240), (2356, 92520), (2480, 87894), (2570, 84816), (2736, 79670), (2790, 78128), (2945, 74016), (2976, 73245), (3040, 71703), (3084, 70680), (3420, 63736), (3534, 61680), (3720, 58596), (3855, 56544), (4112, 53010), (4464, 48830), (4560, 47802), (4626, 47120), (4712, 46260), (4883, 44640), (4960, 43947), (5140, 42408), (5301, 41120), (5472, 39835), (5580, 39064), (5890, 37008), (6168, 35340), (6840, 31868), (7068, 30840), (7440, 29298), (7710, 28272), (7967, 27360), (8224, 26505), (8835, 24672), (8928, 24415), (9120, 23901), (9252, 23560), (9424, 23130), (9766, 22320), (10280, 21204), (10602, 20560), (11160, 19532), (11565, 18848), (11780, 18504), (12336, 17670), (13680, 15934), (14136, 15420), (14649, 14880)]