1284742980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{41257}}^1$

素因数の和:41445

約数の個数: 72

約数和(自身を含む): 3919675032

約数和(自身を除く): 2634932052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1730, 2076, 2595, 3114, 3460, 5190, 6228, 7785, 10380, 15570, 31140, 41257, 82514, 123771, 165028, 206285, 247542, 371313, 412570, 495084, 618855, 742626, 825140, 1237710, 1485252, 1856565, 2475420, 3713130, 7137461, 7426260, 14274922, 21412383, 28549844, 35687305, 42824766, 64237149, 71374610, 85649532, 107061915, 128474298, 142749220, 214123830, 256948596, 321185745, 428247660, 642371490, 1284742980]

約数ペア:

[(1, 1284742980), (2, 642371490), (3, 428247660), (4, 321185745), (5, 256948596), (6, 214123830), (9, 142749220), (10, 128474298), (12, 107061915), (15, 85649532), (18, 71374610), (20, 64237149), (30, 42824766), (36, 35687305), (45, 28549844), (60, 21412383), (90, 14274922), (173, 7426260), (180, 7137461), (346, 3713130), (519, 2475420), (692, 1856565), (865, 1485252), (1038, 1237710), (1557, 825140), (1730, 742626), (2076, 618855), (2595, 495084), (3114, 412570), (3460, 371313), (5190, 247542), (6228, 206285), (7785, 165028), (10380, 123771), (15570, 82514), (31140, 41257)]