21803520

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:210

約数の個数: 160

約数和(自身を含む): 74245248

約数和(自身を除く): 52441728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 167, 170, 192, 204, 240, 255, 256, 272, 320, 334, 340, 384, 408, 480, 501, 510, 512, 544, 640, 668, 680, 768, 816, 835, 960, 1002, 1020, 1088, 1280, 1336, 1360, 1536, 1632, 1670, 1920, 2004, 2040, 2176, 2505, 2560, 2672, 2720, 2839, 3264, 3340, 3840, 4008, 4080, 4352, 5010, 5344, 5440, 5678, 6528, 6680, 7680, 8016, 8160, 8517, 8704, 10020, 10688, 10880, 11356, 13056, 13360, 14195, 16032, 16320, 17034, 20040, 21376, 21760, 22712, 26112, 26720, 28390, 32064, 32640, 34068, 40080, 42585, 42752, 43520, 45424, 53440, 56780, 64128, 65280, 68136, 80160, 85170, 85504, 90848, 106880, 113560, 128256, 130560, 136272, 160320, 170340, 181696, 213760, 227120, 256512, 272544, 320640, 340680, 363392, 427520, 454240, 545088, 641280, 681360, 726784, 908480, 1090176, 1282560, 1362720, 1453568, 1816960, 2180352, 2725440, 3633920, 4360704, 5450880, 7267840, 10901760, 21803520]

約数ペア:

[(1, 21803520), (2, 10901760), (3, 7267840), (4, 5450880), (5, 4360704), (6, 3633920), (8, 2725440), (10, 2180352), (12, 1816960), (15, 1453568), (16, 1362720), (17, 1282560), (20, 1090176), (24, 908480), (30, 726784), (32, 681360), (34, 641280), (40, 545088), (48, 454240), (51, 427520), (60, 363392), (64, 340680), (68, 320640), (80, 272544), (85, 256512), (96, 227120), (102, 213760), (120, 181696), (128, 170340), (136, 160320), (160, 136272), (167, 130560), (170, 128256), (192, 113560), (204, 106880), (240, 90848), (255, 85504), (256, 85170), (272, 80160), (320, 68136), (334, 65280), (340, 64128), (384, 56780), (408, 53440), (480, 45424), (501, 43520), (510, 42752), (512, 42585), (544, 40080), (640, 34068), (668, 32640), (680, 32064), (768, 28390), (816, 26720), (835, 26112), (960, 22712), (1002, 21760), (1020, 21376), (1088, 20040), (1280, 17034), (1336, 16320), (1360, 16032), (1536, 14195), (1632, 13360), (1670, 13056), (1920, 11356), (2004, 10880), (2040, 10688), (2176, 10020), (2505, 8704), (2560, 8517), (2672, 8160), (2720, 8016), (2839, 7680), (3264, 6680), (3340, 6528), (3840, 5678), (4008, 5440), (4080, 5344), (4352, 5010)]