651646320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{631}}^1$

素因数の和:991

約数の個数: 160

約数和(自身を含む): 2185526784

約数和(自身を除く): 1533880464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 331, 390, 520, 624, 631, 662, 780, 993, 1040, 1262, 1324, 1560, 1655, 1893, 1986, 2524, 2648, 3120, 3155, 3310, 3786, 3972, 4303, 4965, 5048, 5296, 6310, 6620, 7572, 7944, 8203, 8606, 9465, 9930, 10096, 12620, 12909, 13240, 15144, 15888, 16406, 17212, 18930, 19860, 21515, 24609, 25240, 25818, 26480, 30288, 32812, 34424, 37860, 39720, 41015, 43030, 49218, 50480, 51636, 64545, 65624, 68848, 75720, 79440, 82030, 86060, 98436, 103272, 123045, 129090, 131248, 151440, 164060, 172120, 196872, 206544, 208861, 246090, 258180, 328120, 344240, 393744, 417722, 492180, 516360, 626583, 656240, 835444, 984360, 1032720, 1044305, 1253166, 1670888, 1968720, 2088610, 2506332, 2715193, 3132915, 3341776, 4177220, 5012664, 5430386, 6265830, 8145579, 8354440, 10025328, 10860772, 12531660, 13575965, 16291158, 16708880, 21721544, 25063320, 27151930, 32582316, 40727895, 43443088, 50126640, 54303860, 65164632, 81455790, 108607720, 130329264, 162911580, 217215440, 325823160, 651646320]

約数ペア:

[(1, 651646320), (2, 325823160), (3, 217215440), (4, 162911580), (5, 130329264), (6, 108607720), (8, 81455790), (10, 65164632), (12, 54303860), (13, 50126640), (15, 43443088), (16, 40727895), (20, 32582316), (24, 27151930), (26, 25063320), (30, 21721544), (39, 16708880), (40, 16291158), (48, 13575965), (52, 12531660), (60, 10860772), (65, 10025328), (78, 8354440), (80, 8145579), (104, 6265830), (120, 5430386), (130, 5012664), (156, 4177220), (195, 3341776), (208, 3132915), (240, 2715193), (260, 2506332), (312, 2088610), (331, 1968720), (390, 1670888), (520, 1253166), (624, 1044305), (631, 1032720), (662, 984360), (780, 835444), (993, 656240), (1040, 626583), (1262, 516360), (1324, 492180), (1560, 417722), (1655, 393744), (1893, 344240), (1986, 328120), (2524, 258180), (2648, 246090), (3120, 208861), (3155, 206544), (3310, 196872), (3786, 172120), (3972, 164060), (4303, 151440), (4965, 131248), (5048, 129090), (5296, 123045), (6310, 103272), (6620, 98436), (7572, 86060), (7944, 82030), (8203, 79440), (8606, 75720), (9465, 68848), (9930, 65624), (10096, 64545), (12620, 51636), (12909, 50480), (13240, 49218), (15144, 43030), (15888, 41015), (16406, 39720), (17212, 37860), (18930, 34424), (19860, 32812), (21515, 30288), (24609, 26480), (25240, 25818)]