636784640

素因数分解:

$2^{12}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 208

約数和(自身を含む): 1698485760

約数和(自身を除く): 1061701120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 59, 62, 64, 68, 80, 85, 118, 124, 128, 136, 155, 160, 170, 236, 248, 256, 272, 295, 310, 320, 340, 472, 496, 512, 527, 544, 590, 620, 640, 680, 944, 992, 1003, 1024, 1054, 1088, 1180, 1240, 1280, 1360, 1829, 1888, 1984, 2006, 2048, 2108, 2176, 2360, 2480, 2560, 2635, 2720, 3658, 3776, 3968, 4012, 4096, 4216, 4352, 4720, 4960, 5015, 5120, 5270, 5440, 7316, 7552, 7936, 8024, 8432, 8704, 9145, 9440, 9920, 10030, 10240, 10540, 10880, 14632, 15104, 15872, 16048, 16864, 17408, 18290, 18880, 19840, 20060, 20480, 21080, 21760, 29264, 30208, 31093, 31744, 32096, 33728, 34816, 36580, 37760, 39680, 40120, 42160, 43520, 58528, 60416, 62186, 63488, 64192, 67456, 69632, 73160, 75520, 79360, 80240, 84320, 87040, 117056, 120832, 124372, 126976, 128384, 134912, 146320, 151040, 155465, 158720, 160480, 168640, 174080, 234112, 241664, 248744, 256768, 269824, 292640, 302080, 310930, 317440, 320960, 337280, 348160, 468224, 497488, 513536, 539648, 585280, 604160, 621860, 634880, 641920, 674560, 936448, 994976, 1027072, 1079296, 1170560, 1208320, 1243720, 1283840, 1349120, 1872896, 1989952, 2054144, 2158592, 2341120, 2487440, 2567680, 2698240, 3745792, 3979904, 4108288, 4682240, 4974880, 5135360, 5396480, 7491584, 7959808, 9364480, 9949760, 10270720, 10792960, 15919616, 18728960, 19899520, 20541440, 31839232, 37457920, 39799040, 63678464, 79598080, 127356928, 159196160, 318392320, 636784640]

約数ペア:

[(1, 636784640), (2, 318392320), (4, 159196160), (5, 127356928), (8, 79598080), (10, 63678464), (16, 39799040), (17, 37457920), (20, 31839232), (31, 20541440), (32, 19899520), (34, 18728960), (40, 15919616), (59, 10792960), (62, 10270720), (64, 9949760), (68, 9364480), (80, 7959808), (85, 7491584), (118, 5396480), (124, 5135360), (128, 4974880), (136, 4682240), (155, 4108288), (160, 3979904), (170, 3745792), (236, 2698240), (248, 2567680), (256, 2487440), (272, 2341120), (295, 2158592), (310, 2054144), (320, 1989952), (340, 1872896), (472, 1349120), (496, 1283840), (512, 1243720), (527, 1208320), (544, 1170560), (590, 1079296), (620, 1027072), (640, 994976), (680, 936448), (944, 674560), (992, 641920), (1003, 634880), (1024, 621860), (1054, 604160), (1088, 585280), (1180, 539648), (1240, 513536), (1280, 497488), (1360, 468224), (1829, 348160), (1888, 337280), (1984, 320960), (2006, 317440), (2048, 310930), (2108, 302080), (2176, 292640), (2360, 269824), (2480, 256768), (2560, 248744), (2635, 241664), (2720, 234112), (3658, 174080), (3776, 168640), (3968, 160480), (4012, 158720), (4096, 155465), (4216, 151040), (4352, 146320), (4720, 134912), (4960, 128384), (5015, 126976), (5120, 124372), (5270, 120832), (5440, 117056), (7316, 87040), (7552, 84320), (7936, 80240), (8024, 79360), (8432, 75520), (8704, 73160), (9145, 69632), (9440, 67456), (9920, 64192), (10030, 63488), (10240, 62186), (10540, 60416), (10880, 58528), (14632, 43520), (15104, 42160), (15872, 40120), (16048, 39680), (16864, 37760), (17408, 36580), (18290, 34816), (18880, 33728), (19840, 32096), (20060, 31744), (20480, 31093), (21080, 30208), (21760, 29264)]