28757994960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{563}}^1\times {\mathrm{643}}^1$

素因数の和:1553

約数の個数: 160

約数和(自身を含む): 89717257728

約数和(自身を除く): 60959262768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 563, 643, 662, 993, 1126, 1286, 1324, 1655, 1689, 1929, 1986, 2252, 2572, 2648, 2815, 3215, 3310, 3378, 3858, 3972, 4504, 4965, 5144, 5296, 5630, 6430, 6620, 6756, 7716, 7944, 8445, 9008, 9645, 9930, 10288, 11260, 12860, 13240, 13512, 15432, 15888, 16890, 19290, 19860, 22520, 25720, 26480, 27024, 30864, 33780, 38580, 39720, 45040, 51440, 67560, 77160, 79440, 135120, 154320, 186353, 212833, 362009, 372706, 425666, 559059, 638499, 724018, 745412, 851332, 931765, 1064165, 1086027, 1118118, 1276998, 1448036, 1490824, 1702664, 1810045, 1863530, 2128330, 2172054, 2236236, 2553996, 2795295, 2896072, 2981648, 3192495, 3405328, 3620090, 3727060, 4256660, 4344108, 4472472, 5107992, 5430135, 5590590, 5792144, 6384990, 7240180, 7454120, 8513320, 8688216, 8944944, 10215984, 10860270, 11181180, 12769980, 14480360, 14908240, 17026640, 17376432, 21720540, 22362360, 25539960, 28960720, 43441080, 44724720, 51079920, 86882160, 119824979, 239649958, 359474937, 479299916, 599124895, 718949874, 958599832, 1198249790, 1437899748, 1797374685, 1917199664, 2396499580, 2875799496, 3594749370, 4792999160, 5751598992, 7189498740, 9585998320, 14378997480, 28757994960]

約数ペア:

[(1, 28757994960), (2, 14378997480), (3, 9585998320), (4, 7189498740), (5, 5751598992), (6, 4792999160), (8, 3594749370), (10, 2875799496), (12, 2396499580), (15, 1917199664), (16, 1797374685), (20, 1437899748), (24, 1198249790), (30, 958599832), (40, 718949874), (48, 599124895), (60, 479299916), (80, 359474937), (120, 239649958), (240, 119824979), (331, 86882160), (563, 51079920), (643, 44724720), (662, 43441080), (993, 28960720), (1126, 25539960), (1286, 22362360), (1324, 21720540), (1655, 17376432), (1689, 17026640), (1929, 14908240), (1986, 14480360), (2252, 12769980), (2572, 11181180), (2648, 10860270), (2815, 10215984), (3215, 8944944), (3310, 8688216), (3378, 8513320), (3858, 7454120), (3972, 7240180), (4504, 6384990), (4965, 5792144), (5144, 5590590), (5296, 5430135), (5630, 5107992), (6430, 4472472), (6620, 4344108), (6756, 4256660), (7716, 3727060), (7944, 3620090), (8445, 3405328), (9008, 3192495), (9645, 2981648), (9930, 2896072), (10288, 2795295), (11260, 2553996), (12860, 2236236), (13240, 2172054), (13512, 2128330), (15432, 1863530), (15888, 1810045), (16890, 1702664), (19290, 1490824), (19860, 1448036), (22520, 1276998), (25720, 1118118), (26480, 1086027), (27024, 1064165), (30864, 931765), (33780, 851332), (38580, 745412), (39720, 724018), (45040, 638499), (51440, 559059), (67560, 425666), (77160, 372706), (79440, 362009), (135120, 212833), (154320, 186353)]