16580454975

素因数分解:

$3^5\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20521}}^1$

素因数の和:20572

約数の個数: 144

約数和(自身を含む): 37051239680

約数和(自身を除く): 20470784705

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 27, 35, 45, 57, 63, 75, 81, 95, 105, 133, 135, 171, 175, 189, 225, 243, 285, 315, 399, 405, 475, 513, 525, 567, 665, 675, 855, 945, 1197, 1215, 1425, 1539, 1575, 1701, 1995, 2025, 2565, 2835, 3325, 3591, 4275, 4617, 4725, 5985, 6075, 7695, 8505, 9975, 10773, 12825, 14175, 17955, 20521, 23085, 29925, 32319, 38475, 42525, 53865, 61563, 89775, 102605, 115425, 143647, 161595, 184689, 269325, 307815, 389899, 430941, 513025, 554067, 718235, 807975, 923445, 1169697, 1292823, 1539075, 1662201, 1949495, 2154705, 2729293, 2770335, 3509091, 3591175, 3878469, 4617225, 4986603, 5848485, 6464115, 8187879, 8311005, 9747475, 10527273, 10773525, 11635407, 13646465, 13851675, 17545455, 19392345, 24563637, 24933015, 29242425, 31581819, 32320575, 34906221, 40939395, 41555025, 52636365, 58177035, 68232325, 73690911, 87727275, 94745457, 96961725, 122818185, 124665075, 157909095, 174531105, 204696975, 221072733, 263181825, 290885175, 368454555, 473727285, 614090925, 663218199, 789545475, 872655525, 1105363665, 1842272775, 2368636425, 3316090995, 5526818325, 16580454975]

約数ペア:

[(1, 16580454975), (3, 5526818325), (5, 3316090995), (7, 2368636425), (9, 1842272775), (15, 1105363665), (19, 872655525), (21, 789545475), (25, 663218199), (27, 614090925), (35, 473727285), (45, 368454555), (57, 290885175), (63, 263181825), (75, 221072733), (81, 204696975), (95, 174531105), (105, 157909095), (133, 124665075), (135, 122818185), (171, 96961725), (175, 94745457), (189, 87727275), (225, 73690911), (243, 68232325), (285, 58177035), (315, 52636365), (399, 41555025), (405, 40939395), (475, 34906221), (513, 32320575), (525, 31581819), (567, 29242425), (665, 24933015), (675, 24563637), (855, 19392345), (945, 17545455), (1197, 13851675), (1215, 13646465), (1425, 11635407), (1539, 10773525), (1575, 10527273), (1701, 9747475), (1995, 8311005), (2025, 8187879), (2565, 6464115), (2835, 5848485), (3325, 4986603), (3591, 4617225), (4275, 3878469), (4617, 3591175), (4725, 3509091), (5985, 2770335), (6075, 2729293), (7695, 2154705), (8505, 1949495), (9975, 1662201), (10773, 1539075), (12825, 1292823), (14175, 1169697), (17955, 923445), (20521, 807975), (23085, 718235), (29925, 554067), (32319, 513025), (38475, 430941), (42525, 389899), (53865, 307815), (61563, 269325), (89775, 184689), (102605, 161595), (115425, 143647)]