198357840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8887}}^1$

素因数の和:8937

約数の個数: 120

約数和(自身を含む): 687717888

約数和(自身を除く): 489360048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 8887, 11160, 17774, 22320, 26661, 35548, 44435, 53322, 71096, 79983, 88870, 106644, 133305, 142192, 159966, 177740, 213288, 266610, 275497, 319932, 355480, 399915, 426576, 533220, 550994, 639864, 710960, 799830, 826491, 1066440, 1101988, 1279728, 1377485, 1599660, 1652982, 2132880, 2203976, 2479473, 2754970, 3199320, 3305964, 4132455, 4407952, 4958946, 5509940, 6398640, 6611928, 8264910, 9917892, 11019880, 12397365, 13223856, 16529820, 19835784, 22039760, 24794730, 33059640, 39671568, 49589460, 66119280, 99178920, 198357840]

約数ペア:

[(1, 198357840), (2, 99178920), (3, 66119280), (4, 49589460), (5, 39671568), (6, 33059640), (8, 24794730), (9, 22039760), (10, 19835784), (12, 16529820), (15, 13223856), (16, 12397365), (18, 11019880), (20, 9917892), (24, 8264910), (30, 6611928), (31, 6398640), (36, 5509940), (40, 4958946), (45, 4407952), (48, 4132455), (60, 3305964), (62, 3199320), (72, 2754970), (80, 2479473), (90, 2203976), (93, 2132880), (120, 1652982), (124, 1599660), (144, 1377485), (155, 1279728), (180, 1101988), (186, 1066440), (240, 826491), (248, 799830), (279, 710960), (310, 639864), (360, 550994), (372, 533220), (465, 426576), (496, 399915), (558, 355480), (620, 319932), (720, 275497), (744, 266610), (930, 213288), (1116, 177740), (1240, 159966), (1395, 142192), (1488, 133305), (1860, 106644), (2232, 88870), (2480, 79983), (2790, 71096), (3720, 53322), (4464, 44435), (5580, 35548), (7440, 26661), (8887, 22320), (11160, 17774)]