131223240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:525

約数の個数: 160

約数和(自身を含む): 446533560

約数和(自身を除く): 315310320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 101, 108, 120, 135, 162, 180, 202, 216, 270, 303, 324, 360, 401, 404, 405, 505, 540, 606, 648, 802, 808, 810, 909, 1010, 1080, 1203, 1212, 1515, 1604, 1620, 1818, 2005, 2020, 2406, 2424, 2727, 3030, 3208, 3240, 3609, 3636, 4010, 4040, 4545, 4812, 5454, 6015, 6060, 7218, 7272, 8020, 8181, 9090, 9624, 10827, 10908, 12030, 12120, 13635, 14436, 16040, 16362, 18045, 18180, 21654, 21816, 24060, 27270, 28872, 32481, 32724, 36090, 36360, 40501, 40905, 43308, 48120, 54135, 54540, 64962, 65448, 72180, 81002, 81810, 86616, 108270, 109080, 121503, 129924, 144360, 162004, 162405, 163620, 202505, 216540, 243006, 259848, 324008, 324810, 327240, 364509, 405010, 433080, 486012, 607515, 649620, 729018, 810020, 972024, 1093527, 1215030, 1299240, 1458036, 1620040, 1822545, 2187054, 2430060, 2916072, 3280581, 3645090, 4374108, 4860120, 5467635, 6561162, 7290180, 8748216, 10935270, 13122324, 14580360, 16402905, 21870540, 26244648, 32805810, 43741080, 65611620, 131223240]

約数ペア:

[(1, 131223240), (2, 65611620), (3, 43741080), (4, 32805810), (5, 26244648), (6, 21870540), (8, 16402905), (9, 14580360), (10, 13122324), (12, 10935270), (15, 8748216), (18, 7290180), (20, 6561162), (24, 5467635), (27, 4860120), (30, 4374108), (36, 3645090), (40, 3280581), (45, 2916072), (54, 2430060), (60, 2187054), (72, 1822545), (81, 1620040), (90, 1458036), (101, 1299240), (108, 1215030), (120, 1093527), (135, 972024), (162, 810020), (180, 729018), (202, 649620), (216, 607515), (270, 486012), (303, 433080), (324, 405010), (360, 364509), (401, 327240), (404, 324810), (405, 324008), (505, 259848), (540, 243006), (606, 216540), (648, 202505), (802, 163620), (808, 162405), (810, 162004), (909, 144360), (1010, 129924), (1080, 121503), (1203, 109080), (1212, 108270), (1515, 86616), (1604, 81810), (1620, 81002), (1818, 72180), (2005, 65448), (2020, 64962), (2406, 54540), (2424, 54135), (2727, 48120), (3030, 43308), (3208, 40905), (3240, 40501), (3609, 36360), (3636, 36090), (4010, 32724), (4040, 32481), (4545, 28872), (4812, 27270), (5454, 24060), (6015, 21816), (6060, 21654), (7218, 18180), (7272, 18045), (8020, 16362), (8181, 16040), (9090, 14436), (9624, 13635), (10827, 12120), (10908, 12030)]