254340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{157}}^1$

素因数の和:178

約数の個数: 60

約数和(自身を含む): 802956

約数和(自身を除く): 548616

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 157, 162, 180, 270, 314, 324, 405, 471, 540, 628, 785, 810, 942, 1413, 1570, 1620, 1884, 2355, 2826, 3140, 4239, 4710, 5652, 7065, 8478, 9420, 12717, 14130, 16956, 21195, 25434, 28260, 42390, 50868, 63585, 84780, 127170, 254340]

約数ペア:

[(1, 254340), (2, 127170), (3, 84780), (4, 63585), (5, 50868), (6, 42390), (9, 28260), (10, 25434), (12, 21195), (15, 16956), (18, 14130), (20, 12717), (27, 9420), (30, 8478), (36, 7065), (45, 5652), (54, 4710), (60, 4239), (81, 3140), (90, 2826), (108, 2355), (135, 1884), (157, 1620), (162, 1570), (180, 1413), (270, 942), (314, 810), (324, 785), (405, 628), (471, 540)]