215136810

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2042

約数の個数: 160

約数和(自身を含む): 696263040

約数和(自身を除く): 481126230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 81, 90, 95, 105, 114, 126, 133, 135, 162, 171, 189, 190, 210, 266, 270, 285, 315, 342, 378, 399, 405, 513, 567, 570, 630, 665, 798, 810, 855, 945, 1026, 1134, 1197, 1330, 1539, 1710, 1890, 1995, 1997, 2394, 2565, 2835, 3078, 3591, 3990, 3994, 5130, 5670, 5985, 5991, 7182, 7695, 9985, 10773, 11970, 11982, 13979, 15390, 17955, 17973, 19970, 21546, 27958, 29955, 35910, 35946, 37943, 41937, 53865, 53919, 59910, 69895, 75886, 83874, 89865, 107730, 107838, 113829, 125811, 139790, 161757, 179730, 189715, 209685, 227658, 251622, 265601, 269595, 323514, 341487, 377433, 379430, 419370, 531202, 539190, 569145, 629055, 682974, 754866, 796803, 808785, 1024461, 1132299, 1138290, 1258110, 1328005, 1593606, 1617570, 1707435, 1887165, 2048922, 2264598, 2390409, 2656010, 3073383, 3414870, 3774330, 3984015, 4780818, 5122305, 5661495, 6146766, 7171227, 7968030, 10244610, 11322990, 11952045, 14342454, 15366915, 21513681, 23904090, 30733830, 35856135, 43027362, 71712270, 107568405, 215136810]

約数ペア:

[(1, 215136810), (2, 107568405), (3, 71712270), (5, 43027362), (6, 35856135), (7, 30733830), (9, 23904090), (10, 21513681), (14, 15366915), (15, 14342454), (18, 11952045), (19, 11322990), (21, 10244610), (27, 7968030), (30, 7171227), (35, 6146766), (38, 5661495), (42, 5122305), (45, 4780818), (54, 3984015), (57, 3774330), (63, 3414870), (70, 3073383), (81, 2656010), (90, 2390409), (95, 2264598), (105, 2048922), (114, 1887165), (126, 1707435), (133, 1617570), (135, 1593606), (162, 1328005), (171, 1258110), (189, 1138290), (190, 1132299), (210, 1024461), (266, 808785), (270, 796803), (285, 754866), (315, 682974), (342, 629055), (378, 569145), (399, 539190), (405, 531202), (513, 419370), (567, 379430), (570, 377433), (630, 341487), (665, 323514), (798, 269595), (810, 265601), (855, 251622), (945, 227658), (1026, 209685), (1134, 189715), (1197, 179730), (1330, 161757), (1539, 139790), (1710, 125811), (1890, 113829), (1995, 107838), (1997, 107730), (2394, 89865), (2565, 83874), (2835, 75886), (3078, 69895), (3591, 59910), (3990, 53919), (3994, 53865), (5130, 41937), (5670, 37943), (5985, 35946), (5991, 35910), (7182, 29955), (7695, 27958), (9985, 21546), (10773, 19970), (11970, 17973), (11982, 17955), (13979, 15390)]