2018940720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271363}}^1$

素因数の和:271410

約数の個数: 80

約数和(自身を含む): 6460634112

約数和(自身を除く): 4441693392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 271363, 542726, 814089, 1085452, 1356815, 1628178, 2170904, 2713630, 3256356, 4070445, 4341808, 5427260, 6512712, 8140890, 8412253, 10854520, 13025424, 16281780, 16824506, 21709040, 25236759, 32563560, 33649012, 42061265, 50473518, 65127120, 67298024, 84122530, 100947036, 126183795, 134596048, 168245060, 201894072, 252367590, 336490120, 403788144, 504735180, 672980240, 1009470360, 2018940720]

約数ペア:

[(1, 2018940720), (2, 1009470360), (3, 672980240), (4, 504735180), (5, 403788144), (6, 336490120), (8, 252367590), (10, 201894072), (12, 168245060), (15, 134596048), (16, 126183795), (20, 100947036), (24, 84122530), (30, 67298024), (31, 65127120), (40, 50473518), (48, 42061265), (60, 33649012), (62, 32563560), (80, 25236759), (93, 21709040), (120, 16824506), (124, 16281780), (155, 13025424), (186, 10854520), (240, 8412253), (248, 8140890), (310, 6512712), (372, 5427260), (465, 4341808), (496, 4070445), (620, 3256356), (744, 2713630), (930, 2170904), (1240, 1628178), (1488, 1356815), (1860, 1085452), (2480, 814089), (3720, 542726), (7440, 271363)]