25560720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:421

約数の個数: 120

約数和(自身を含む): 86815872

約数和(自身を除く): 61255152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 131, 144, 180, 240, 262, 271, 360, 393, 524, 542, 655, 720, 786, 813, 1048, 1084, 1179, 1310, 1355, 1572, 1626, 1965, 2096, 2168, 2358, 2439, 2620, 2710, 3144, 3252, 3930, 4065, 4336, 4716, 4878, 5240, 5420, 5895, 6288, 6504, 7860, 8130, 9432, 9756, 10480, 10840, 11790, 12195, 13008, 15720, 16260, 18864, 19512, 21680, 23580, 24390, 31440, 32520, 35501, 39024, 47160, 48780, 65040, 71002, 94320, 97560, 106503, 142004, 177505, 195120, 213006, 284008, 319509, 355010, 426012, 532515, 568016, 639018, 710020, 852024, 1065030, 1278036, 1420040, 1597545, 1704048, 2130060, 2556072, 2840080, 3195090, 4260120, 5112144, 6390180, 8520240, 12780360, 25560720]

約数ペア:

[(1, 25560720), (2, 12780360), (3, 8520240), (4, 6390180), (5, 5112144), (6, 4260120), (8, 3195090), (9, 2840080), (10, 2556072), (12, 2130060), (15, 1704048), (16, 1597545), (18, 1420040), (20, 1278036), (24, 1065030), (30, 852024), (36, 710020), (40, 639018), (45, 568016), (48, 532515), (60, 426012), (72, 355010), (80, 319509), (90, 284008), (120, 213006), (131, 195120), (144, 177505), (180, 142004), (240, 106503), (262, 97560), (271, 94320), (360, 71002), (393, 65040), (524, 48780), (542, 47160), (655, 39024), (720, 35501), (786, 32520), (813, 31440), (1048, 24390), (1084, 23580), (1179, 21680), (1310, 19512), (1355, 18864), (1572, 16260), (1626, 15720), (1965, 13008), (2096, 12195), (2168, 11790), (2358, 10840), (2439, 10480), (2620, 9756), (2710, 9432), (3144, 8130), (3252, 7860), (3930, 6504), (4065, 6288), (4336, 5895), (4716, 5420), (4878, 5240)]