80454240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{55871}}^1$

素因数の和:55892

約数の個数: 72

約数和(自身を含む): 274555008

約数和(自身を除く): 194100768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 55871, 111742, 167613, 223484, 279355, 335226, 446968, 502839, 558710, 670452, 838065, 893936, 1005678, 1117420, 1340904, 1676130, 1787872, 2011356, 2234840, 2514195, 2681808, 3352260, 4022712, 4469680, 5028390, 5363616, 6704520, 8045424, 8939360, 10056780, 13409040, 16090848, 20113560, 26818080, 40227120, 80454240]

約数ペア:

[(1, 80454240), (2, 40227120), (3, 26818080), (4, 20113560), (5, 16090848), (6, 13409040), (8, 10056780), (9, 8939360), (10, 8045424), (12, 6704520), (15, 5363616), (16, 5028390), (18, 4469680), (20, 4022712), (24, 3352260), (30, 2681808), (32, 2514195), (36, 2234840), (40, 2011356), (45, 1787872), (48, 1676130), (60, 1340904), (72, 1117420), (80, 1005678), (90, 893936), (96, 838065), (120, 670452), (144, 558710), (160, 502839), (180, 446968), (240, 335226), (288, 279355), (360, 223484), (480, 167613), (720, 111742), (1440, 55871)]