428802560

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:266

約数の個数: 160

約数和(自身を含む): 1113678720

約数和(自身を除く): 684876160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 59, 64, 68, 80, 85, 118, 128, 136, 160, 167, 170, 236, 256, 272, 295, 320, 334, 340, 472, 512, 544, 590, 640, 668, 680, 835, 944, 1003, 1088, 1180, 1280, 1336, 1360, 1670, 1888, 2006, 2176, 2360, 2560, 2672, 2720, 2839, 3340, 3776, 4012, 4352, 4720, 5015, 5344, 5440, 5678, 6680, 7552, 8024, 8704, 9440, 9853, 10030, 10688, 10880, 11356, 13360, 14195, 15104, 16048, 18880, 19706, 20060, 21376, 21760, 22712, 26720, 28390, 30208, 32096, 37760, 39412, 40120, 42752, 43520, 45424, 49265, 53440, 56780, 64192, 75520, 78824, 80240, 85504, 90848, 98530, 106880, 113560, 128384, 151040, 157648, 160480, 167501, 181696, 197060, 213760, 227120, 256768, 315296, 320960, 335002, 363392, 394120, 427520, 454240, 513536, 630592, 641920, 670004, 726784, 788240, 837505, 908480, 1261184, 1283840, 1340008, 1453568, 1576480, 1675010, 1816960, 2522368, 2567680, 2680016, 3152960, 3350020, 3633920, 5044736, 5360032, 6305920, 6700040, 7267840, 10720064, 12611840, 13400080, 21440128, 25223680, 26800160, 42880256, 53600320, 85760512, 107200640, 214401280, 428802560]

約数ペア:

[(1, 428802560), (2, 214401280), (4, 107200640), (5, 85760512), (8, 53600320), (10, 42880256), (16, 26800160), (17, 25223680), (20, 21440128), (32, 13400080), (34, 12611840), (40, 10720064), (59, 7267840), (64, 6700040), (68, 6305920), (80, 5360032), (85, 5044736), (118, 3633920), (128, 3350020), (136, 3152960), (160, 2680016), (167, 2567680), (170, 2522368), (236, 1816960), (256, 1675010), (272, 1576480), (295, 1453568), (320, 1340008), (334, 1283840), (340, 1261184), (472, 908480), (512, 837505), (544, 788240), (590, 726784), (640, 670004), (668, 641920), (680, 630592), (835, 513536), (944, 454240), (1003, 427520), (1088, 394120), (1180, 363392), (1280, 335002), (1336, 320960), (1360, 315296), (1670, 256768), (1888, 227120), (2006, 213760), (2176, 197060), (2360, 181696), (2560, 167501), (2672, 160480), (2720, 157648), (2839, 151040), (3340, 128384), (3776, 113560), (4012, 106880), (4352, 98530), (4720, 90848), (5015, 85504), (5344, 80240), (5440, 78824), (5678, 75520), (6680, 64192), (7552, 56780), (8024, 53440), (8704, 49265), (9440, 45424), (9853, 43520), (10030, 42752), (10688, 40120), (10880, 39412), (11356, 37760), (13360, 32096), (14195, 30208), (15104, 28390), (16048, 26720), (18880, 22712), (19706, 21760), (20060, 21376)]