161931720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10301}}^1$

素因数の和:10446

約数の個数: 64

約数和(自身を含む): 489551040

約数和(自身を除く): 327619320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 7860, 10301, 15720, 20602, 30903, 41204, 51505, 61806, 82408, 103010, 123612, 154515, 206020, 247224, 309030, 412040, 618060, 1236120, 1349431, 2698862, 4048293, 5397724, 6747155, 8096586, 10795448, 13494310, 16193172, 20241465, 26988620, 32386344, 40482930, 53977240, 80965860, 161931720]

約数ペア:

[(1, 161931720), (2, 80965860), (3, 53977240), (4, 40482930), (5, 32386344), (6, 26988620), (8, 20241465), (10, 16193172), (12, 13494310), (15, 10795448), (20, 8096586), (24, 6747155), (30, 5397724), (40, 4048293), (60, 2698862), (120, 1349431), (131, 1236120), (262, 618060), (393, 412040), (524, 309030), (655, 247224), (786, 206020), (1048, 154515), (1310, 123612), (1572, 103010), (1965, 82408), (2620, 61806), (3144, 51505), (3930, 41204), (5240, 30903), (7860, 20602), (10301, 15720)]