647967960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:742

約数の個数: 192

約数和(自身を含む): 2217196800

約数和(自身を除く): 1569228840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 139, 180, 184, 207, 230, 276, 278, 345, 360, 414, 417, 460, 552, 556, 563, 690, 695, 828, 834, 920, 1035, 1112, 1126, 1251, 1380, 1390, 1656, 1668, 1689, 2070, 2085, 2252, 2502, 2760, 2780, 2815, 3197, 3336, 3378, 4140, 4170, 4504, 5004, 5067, 5560, 5630, 6255, 6394, 6756, 8280, 8340, 8445, 9591, 10008, 10134, 11260, 12510, 12788, 12949, 13512, 15985, 16680, 16890, 19182, 20268, 22520, 25020, 25335, 25576, 25898, 28773, 31970, 33780, 38364, 38847, 40536, 47955, 50040, 50670, 51796, 57546, 63940, 64745, 67560, 76728, 77694, 78257, 95910, 101340, 103592, 115092, 116541, 127880, 129490, 143865, 155388, 156514, 191820, 194235, 202680, 230184, 233082, 234771, 258980, 287730, 310776, 313028, 383640, 388470, 391285, 466164, 469542, 517960, 575460, 582705, 626056, 704313, 776940, 782570, 932328, 939084, 1150920, 1165410, 1173855, 1408626, 1553880, 1565140, 1799911, 1878168, 2330820, 2347710, 2817252, 3130280, 3521565, 3599822, 4661640, 4695420, 5399733, 5634504, 7043130, 7199644, 8999555, 9390840, 10799466, 14086260, 14399288, 16199199, 17999110, 21598932, 26998665, 28172520, 32398398, 35998220, 43197864, 53997330, 64796796, 71996440, 80995995, 107994660, 129593592, 161991990, 215989320, 323983980, 647967960]

約数ペア:

[(1, 647967960), (2, 323983980), (3, 215989320), (4, 161991990), (5, 129593592), (6, 107994660), (8, 80995995), (9, 71996440), (10, 64796796), (12, 53997330), (15, 43197864), (18, 35998220), (20, 32398398), (23, 28172520), (24, 26998665), (30, 21598932), (36, 17999110), (40, 16199199), (45, 14399288), (46, 14086260), (60, 10799466), (69, 9390840), (72, 8999555), (90, 7199644), (92, 7043130), (115, 5634504), (120, 5399733), (138, 4695420), (139, 4661640), (180, 3599822), (184, 3521565), (207, 3130280), (230, 2817252), (276, 2347710), (278, 2330820), (345, 1878168), (360, 1799911), (414, 1565140), (417, 1553880), (460, 1408626), (552, 1173855), (556, 1165410), (563, 1150920), (690, 939084), (695, 932328), (828, 782570), (834, 776940), (920, 704313), (1035, 626056), (1112, 582705), (1126, 575460), (1251, 517960), (1380, 469542), (1390, 466164), (1656, 391285), (1668, 388470), (1689, 383640), (2070, 313028), (2085, 310776), (2252, 287730), (2502, 258980), (2760, 234771), (2780, 233082), (2815, 230184), (3197, 202680), (3336, 194235), (3378, 191820), (4140, 156514), (4170, 155388), (4504, 143865), (5004, 129490), (5067, 127880), (5560, 116541), (5630, 115092), (6255, 103592), (6394, 101340), (6756, 95910), (8280, 78257), (8340, 77694), (8445, 76728), (9591, 67560), (10008, 64745), (10134, 63940), (11260, 57546), (12510, 51796), (12788, 50670), (12949, 50040), (13512, 47955), (15985, 40536), (16680, 38847), (16890, 38364), (19182, 33780), (20268, 31970), (22520, 28773), (25020, 25898), (25335, 25576)]