1880451990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{20071}}^1$

素因数の和:20434

約数の個数: 64

約数和(自身を含む): 5029240320

約数和(自身を除く): 3148788330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 347, 694, 1041, 1735, 2082, 3123, 3470, 5205, 6246, 9369, 10410, 15615, 18738, 20071, 31230, 40142, 46845, 60213, 93690, 100355, 120426, 180639, 200710, 301065, 361278, 541917, 602130, 903195, 1083834, 1806390, 2709585, 5419170, 6964637, 13929274, 20893911, 34823185, 41787822, 62681733, 69646370, 104469555, 125363466, 188045199, 208939110, 313408665, 376090398, 626817330, 940225995, 1880451990]

約数ペア:

[(1, 1880451990), (2, 940225995), (3, 626817330), (5, 376090398), (6, 313408665), (9, 208939110), (10, 188045199), (15, 125363466), (18, 104469555), (27, 69646370), (30, 62681733), (45, 41787822), (54, 34823185), (90, 20893911), (135, 13929274), (270, 6964637), (347, 5419170), (694, 2709585), (1041, 1806390), (1735, 1083834), (2082, 903195), (3123, 602130), (3470, 541917), (5205, 361278), (6246, 301065), (9369, 200710), (10410, 180639), (15615, 120426), (18738, 100355), (20071, 93690), (31230, 60213), (40142, 46845)]