189999720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5441}}^1$

素因数の和:5555

約数の個数: 96

約数和(自身を含む): 623979720

約数和(自身を除く): 433980000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 582, 776, 873, 970, 1164, 1455, 1746, 1940, 2328, 2910, 3492, 3880, 4365, 5441, 5820, 6984, 8730, 10882, 11640, 16323, 17460, 21764, 27205, 32646, 34920, 43528, 48969, 54410, 65292, 81615, 97938, 108820, 130584, 163230, 195876, 217640, 244845, 326460, 391752, 489690, 527777, 652920, 979380, 1055554, 1583331, 1958760, 2111108, 2638885, 3166662, 4222216, 4749993, 5277770, 6333324, 7916655, 9499986, 10555540, 12666648, 15833310, 18999972, 21111080, 23749965, 31666620, 37999944, 47499930, 63333240, 94999860, 189999720]

約数ペア:

[(1, 189999720), (2, 94999860), (3, 63333240), (4, 47499930), (5, 37999944), (6, 31666620), (8, 23749965), (9, 21111080), (10, 18999972), (12, 15833310), (15, 12666648), (18, 10555540), (20, 9499986), (24, 7916655), (30, 6333324), (36, 5277770), (40, 4749993), (45, 4222216), (60, 3166662), (72, 2638885), (90, 2111108), (97, 1958760), (120, 1583331), (180, 1055554), (194, 979380), (291, 652920), (360, 527777), (388, 489690), (485, 391752), (582, 326460), (776, 244845), (873, 217640), (970, 195876), (1164, 163230), (1455, 130584), (1746, 108820), (1940, 97938), (2328, 81615), (2910, 65292), (3492, 54410), (3880, 48969), (4365, 43528), (5441, 34920), (5820, 32646), (6984, 27205), (8730, 21764), (10882, 17460), (11640, 16323)]