1428535520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{20431}}^1$

素因数の和:20488

約数の個数: 96

約数和(自身を含む): 3707182080

約数和(自身を除く): 2278646560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 368, 380, 437, 460, 608, 736, 760, 874, 920, 1520, 1748, 1840, 2185, 3040, 3496, 3680, 4370, 6992, 8740, 13984, 17480, 20431, 34960, 40862, 69920, 81724, 102155, 163448, 204310, 326896, 388189, 408620, 469913, 653792, 776378, 817240, 939826, 1552756, 1634480, 1879652, 1940945, 2349565, 3105512, 3268960, 3759304, 3881890, 4699130, 6211024, 7518608, 7763780, 8928347, 9398260, 12422048, 15037216, 15527560, 17856694, 18796520, 31055120, 35713388, 37593040, 44641735, 62110240, 71426776, 75186080, 89283470, 142853552, 178566940, 285707104, 357133880, 714267760, 1428535520]

約数ペア:

[(1, 1428535520), (2, 714267760), (4, 357133880), (5, 285707104), (8, 178566940), (10, 142853552), (16, 89283470), (19, 75186080), (20, 71426776), (23, 62110240), (32, 44641735), (38, 37593040), (40, 35713388), (46, 31055120), (76, 18796520), (80, 17856694), (92, 15527560), (95, 15037216), (115, 12422048), (152, 9398260), (160, 8928347), (184, 7763780), (190, 7518608), (230, 6211024), (304, 4699130), (368, 3881890), (380, 3759304), (437, 3268960), (460, 3105512), (608, 2349565), (736, 1940945), (760, 1879652), (874, 1634480), (920, 1552756), (1520, 939826), (1748, 817240), (1840, 776378), (2185, 653792), (3040, 469913), (3496, 408620), (3680, 388189), (4370, 326896), (6992, 204310), (8740, 163448), (13984, 102155), (17480, 81724), (20431, 69920), (34960, 40862)]