218894720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 256

約数和(自身を含む): 634521600

約数和(自身を除く): 415626880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 31, 32, 34, 40, 44, 55, 59, 62, 64, 68, 80, 85, 88, 110, 118, 124, 128, 136, 155, 160, 170, 176, 187, 220, 236, 248, 272, 295, 310, 320, 340, 341, 352, 374, 440, 472, 496, 527, 544, 590, 620, 640, 649, 680, 682, 704, 748, 880, 935, 944, 992, 1003, 1054, 1088, 1180, 1240, 1298, 1360, 1364, 1408, 1496, 1705, 1760, 1829, 1870, 1888, 1984, 2006, 2108, 2176, 2360, 2480, 2596, 2635, 2720, 2728, 2992, 3245, 3410, 3520, 3658, 3740, 3776, 3968, 4012, 4216, 4720, 4960, 5015, 5192, 5270, 5440, 5456, 5797, 5984, 6490, 6820, 7040, 7316, 7480, 7552, 8024, 8432, 9145, 9440, 9920, 10030, 10384, 10540, 10880, 10912, 11033, 11594, 11968, 12980, 13640, 14632, 14960, 16048, 16864, 18290, 18880, 19840, 20060, 20119, 20768, 21080, 21824, 22066, 23188, 23936, 25960, 27280, 28985, 29264, 29920, 31093, 32096, 33728, 36580, 37760, 40120, 40238, 41536, 42160, 43648, 44132, 46376, 51920, 54560, 55165, 57970, 58528, 59840, 62186, 64192, 67456, 73160, 80240, 80476, 83072, 84320, 88264, 92752, 100595, 103840, 109120, 110330, 115940, 117056, 119680, 124372, 128384, 146320, 155465, 160480, 160952, 168640, 176528, 185504, 201190, 207680, 218240, 220660, 231880, 234112, 248744, 292640, 310930, 320960, 321904, 337280, 342023, 353056, 371008, 402380, 415360, 441320, 463760, 497488, 585280, 621860, 641920, 643808, 684046, 706112, 742016, 804760, 882640, 927520, 994976, 1170560, 1243720, 1287616, 1368092, 1412224, 1609520, 1710115, 1765280, 1855040, 1989952, 2487440, 2575232, 2736184, 3219040, 3420230, 3530560, 3710080, 3979904, 4974880, 5472368, 6438080, 6840460, 7061120, 9949760, 10944736, 12876160, 13680920, 19899520, 21889472, 27361840, 43778944, 54723680, 109447360, 218894720]

約数ペア:

[(1, 218894720), (2, 109447360), (4, 54723680), (5, 43778944), (8, 27361840), (10, 21889472), (11, 19899520), (16, 13680920), (17, 12876160), (20, 10944736), (22, 9949760), (31, 7061120), (32, 6840460), (34, 6438080), (40, 5472368), (44, 4974880), (55, 3979904), (59, 3710080), (62, 3530560), (64, 3420230), (68, 3219040), (80, 2736184), (85, 2575232), (88, 2487440), (110, 1989952), (118, 1855040), (124, 1765280), (128, 1710115), (136, 1609520), (155, 1412224), (160, 1368092), (170, 1287616), (176, 1243720), (187, 1170560), (220, 994976), (236, 927520), (248, 882640), (272, 804760), (295, 742016), (310, 706112), (320, 684046), (340, 643808), (341, 641920), (352, 621860), (374, 585280), (440, 497488), (472, 463760), (496, 441320), (527, 415360), (544, 402380), (590, 371008), (620, 353056), (640, 342023), (649, 337280), (680, 321904), (682, 320960), (704, 310930), (748, 292640), (880, 248744), (935, 234112), (944, 231880), (992, 220660), (1003, 218240), (1054, 207680), (1088, 201190), (1180, 185504), (1240, 176528), (1298, 168640), (1360, 160952), (1364, 160480), (1408, 155465), (1496, 146320), (1705, 128384), (1760, 124372), (1829, 119680), (1870, 117056), (1888, 115940), (1984, 110330), (2006, 109120), (2108, 103840), (2176, 100595), (2360, 92752), (2480, 88264), (2596, 84320), (2635, 83072), (2720, 80476), (2728, 80240), (2992, 73160), (3245, 67456), (3410, 64192), (3520, 62186), (3658, 59840), (3740, 58528), (3776, 57970), (3968, 55165), (4012, 54560), (4216, 51920), (4720, 46376), (4960, 44132), (5015, 43648), (5192, 42160), (5270, 41536), (5440, 40238), (5456, 40120), (5797, 37760), (5984, 36580), (6490, 33728), (6820, 32096), (7040, 31093), (7316, 29920), (7480, 29264), (7552, 28985), (8024, 27280), (8432, 25960), (9145, 23936), (9440, 23188), (9920, 22066), (10030, 21824), (10384, 21080), (10540, 20768), (10880, 20119), (10912, 20060), (11033, 19840), (11594, 18880), (11968, 18290), (12980, 16864), (13640, 16048), (14632, 14960)]