161666040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8581}}^1$

素因数の和:8752

約数の個数: 64

約数和(自身を含む): 488144160

約数和(自身を除く): 326478120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 8581, 9420, 17162, 18840, 25743, 34324, 42905, 51486, 68648, 85810, 102972, 128715, 171620, 205944, 257430, 343240, 514860, 1029720, 1347217, 2694434, 4041651, 5388868, 6736085, 8083302, 10777736, 13472170, 16166604, 20208255, 26944340, 32333208, 40416510, 53888680, 80833020, 161666040]

約数ペア:

[(1, 161666040), (2, 80833020), (3, 53888680), (4, 40416510), (5, 32333208), (6, 26944340), (8, 20208255), (10, 16166604), (12, 13472170), (15, 10777736), (20, 8083302), (24, 6736085), (30, 5388868), (40, 4041651), (60, 2694434), (120, 1347217), (157, 1029720), (314, 514860), (471, 343240), (628, 257430), (785, 205944), (942, 171620), (1256, 128715), (1570, 102972), (1884, 85810), (2355, 68648), (3140, 51486), (3768, 42905), (4710, 34324), (6280, 25743), (8581, 18840), (9420, 17162)]