2015961720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{66931}}^1$

素因数の和:67196

約数の個数: 64

約数和(自身を含む): 6072071040

約数和(自身を除く): 4056109320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 5020, 6024, 7530, 10040, 15060, 30120, 66931, 133862, 200793, 267724, 334655, 401586, 535448, 669310, 803172, 1003965, 1338620, 1606344, 2007930, 2677240, 4015860, 8031720, 16799681, 33599362, 50399043, 67198724, 83998405, 100798086, 134397448, 167996810, 201596172, 251995215, 335993620, 403192344, 503990430, 671987240, 1007980860, 2015961720]

約数ペア:

[(1, 2015961720), (2, 1007980860), (3, 671987240), (4, 503990430), (5, 403192344), (6, 335993620), (8, 251995215), (10, 201596172), (12, 167996810), (15, 134397448), (20, 100798086), (24, 83998405), (30, 67198724), (40, 50399043), (60, 33599362), (120, 16799681), (251, 8031720), (502, 4015860), (753, 2677240), (1004, 2007930), (1255, 1606344), (1506, 1338620), (2008, 1003965), (2510, 803172), (3012, 669310), (3765, 535448), (5020, 401586), (6024, 334655), (7530, 267724), (10040, 200793), (15060, 133862), (30120, 66931)]