15927700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 37185120

約数和(自身を除く): 21257420

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 83, 95, 100, 101, 166, 190, 202, 332, 380, 404, 415, 475, 505, 830, 950, 1010, 1577, 1660, 1900, 1919, 2020, 2075, 2525, 3154, 3838, 4150, 5050, 6308, 7676, 7885, 8300, 8383, 9595, 10100, 15770, 16766, 19190, 31540, 33532, 38380, 39425, 41915, 47975, 78850, 83830, 95950, 157700, 159277, 167660, 191900, 209575, 318554, 419150, 637108, 796385, 838300, 1592770, 3185540, 3981925, 7963850, 15927700]

約数ペア:

[(1, 15927700), (2, 7963850), (4, 3981925), (5, 3185540), (10, 1592770), (19, 838300), (20, 796385), (25, 637108), (38, 419150), (50, 318554), (76, 209575), (83, 191900), (95, 167660), (100, 159277), (101, 157700), (166, 95950), (190, 83830), (202, 78850), (332, 47975), (380, 41915), (404, 39425), (415, 38380), (475, 33532), (505, 31540), (830, 19190), (950, 16766), (1010, 15770), (1577, 10100), (1660, 9595), (1900, 8383), (1919, 8300), (2020, 7885), (2075, 7676), (2525, 6308), (3154, 5050), (3838, 4150)]