421242880

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1385

約数の個数: 96

約数和(自身を含む): 1044126720

約数和(自身を除く): 622883840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1327, 1984, 2048, 2480, 2560, 2654, 3968, 4960, 5120, 5308, 6635, 7936, 9920, 10240, 10616, 13270, 15872, 19840, 21232, 26540, 31744, 39680, 41137, 42464, 53080, 63488, 79360, 82274, 84928, 106160, 158720, 164548, 169856, 205685, 212320, 317440, 329096, 339712, 411370, 424640, 658192, 679424, 822740, 849280, 1316384, 1358848, 1645480, 1698560, 2632768, 2717696, 3290960, 3397120, 5265536, 6581920, 6794240, 10531072, 13163840, 13588480, 21062144, 26327680, 42124288, 52655360, 84248576, 105310720, 210621440, 421242880]

約数ペア:

[(1, 421242880), (2, 210621440), (4, 105310720), (5, 84248576), (8, 52655360), (10, 42124288), (16, 26327680), (20, 21062144), (31, 13588480), (32, 13163840), (40, 10531072), (62, 6794240), (64, 6581920), (80, 5265536), (124, 3397120), (128, 3290960), (155, 2717696), (160, 2632768), (248, 1698560), (256, 1645480), (310, 1358848), (320, 1316384), (496, 849280), (512, 822740), (620, 679424), (640, 658192), (992, 424640), (1024, 411370), (1240, 339712), (1280, 329096), (1327, 317440), (1984, 212320), (2048, 205685), (2480, 169856), (2560, 164548), (2654, 158720), (3968, 106160), (4960, 84928), (5120, 82274), (5308, 79360), (6635, 63488), (7936, 53080), (9920, 42464), (10240, 41137), (10616, 39680), (13270, 31744), (15872, 26540), (19840, 21232)]