23145720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 76991040

約数和(自身を除く): 53845320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 401, 444, 481, 520, 555, 740, 780, 802, 888, 962, 1110, 1203, 1443, 1480, 1560, 1604, 1924, 2005, 2220, 2405, 2406, 2886, 3208, 3848, 4010, 4440, 4810, 4812, 5213, 5772, 6015, 7215, 8020, 9620, 9624, 10426, 11544, 12030, 14430, 14837, 15639, 16040, 19240, 20852, 24060, 26065, 28860, 29674, 31278, 41704, 44511, 48120, 52130, 57720, 59348, 62556, 74185, 78195, 89022, 104260, 118696, 125112, 148370, 156390, 178044, 192881, 208520, 222555, 296740, 312780, 356088, 385762, 445110, 578643, 593480, 625560, 771524, 890220, 964405, 1157286, 1543048, 1780440, 1928810, 2314572, 2893215, 3857620, 4629144, 5786430, 7715240, 11572860, 23145720]

約数ペア:

[(1, 23145720), (2, 11572860), (3, 7715240), (4, 5786430), (5, 4629144), (6, 3857620), (8, 2893215), (10, 2314572), (12, 1928810), (13, 1780440), (15, 1543048), (20, 1157286), (24, 964405), (26, 890220), (30, 771524), (37, 625560), (39, 593480), (40, 578643), (52, 445110), (60, 385762), (65, 356088), (74, 312780), (78, 296740), (104, 222555), (111, 208520), (120, 192881), (130, 178044), (148, 156390), (156, 148370), (185, 125112), (195, 118696), (222, 104260), (260, 89022), (296, 78195), (312, 74185), (370, 62556), (390, 59348), (401, 57720), (444, 52130), (481, 48120), (520, 44511), (555, 41704), (740, 31278), (780, 29674), (802, 28860), (888, 26065), (962, 24060), (1110, 20852), (1203, 19240), (1443, 16040), (1480, 15639), (1560, 14837), (1604, 14430), (1924, 12030), (2005, 11544), (2220, 10426), (2405, 9624), (2406, 9620), (2886, 8020), (3208, 7215), (3848, 6015), (4010, 5772), (4440, 5213), (4810, 4812)]