2015113840

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{1933}}^1$

素因数の和:2186

約数の個数: 80

約数和(自身を含む): 4774256928

約数和(自身を除く): 2759143088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 157, 166, 314, 332, 415, 628, 664, 785, 830, 1256, 1328, 1570, 1660, 1933, 2512, 3140, 3320, 3866, 6280, 6640, 7732, 9665, 12560, 13031, 15464, 19330, 26062, 30928, 38660, 52124, 65155, 77320, 104248, 130310, 154640, 160439, 208496, 260620, 303481, 320878, 521240, 606962, 641756, 802195, 1042480, 1213924, 1283512, 1517405, 1604390, 2427848, 2567024, 3034810, 3208780, 4855696, 6069620, 6417560, 12139240, 12835120, 24278480, 25188923, 50377846, 100755692, 125944615, 201511384, 251889230, 403022768, 503778460, 1007556920, 2015113840]

約数ペア:

[(1, 2015113840), (2, 1007556920), (4, 503778460), (5, 403022768), (8, 251889230), (10, 201511384), (16, 125944615), (20, 100755692), (40, 50377846), (80, 25188923), (83, 24278480), (157, 12835120), (166, 12139240), (314, 6417560), (332, 6069620), (415, 4855696), (628, 3208780), (664, 3034810), (785, 2567024), (830, 2427848), (1256, 1604390), (1328, 1517405), (1570, 1283512), (1660, 1213924), (1933, 1042480), (2512, 802195), (3140, 641756), (3320, 606962), (3866, 521240), (6280, 320878), (6640, 303481), (7732, 260620), (9665, 208496), (12560, 160439), (13031, 154640), (15464, 130310), (19330, 104248), (26062, 77320), (30928, 65155), (38660, 52124)]