19951560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:527

約数の個数: 96

約数和(自身を含む): 65440440

約数和(自身を除く): 45488880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 157, 180, 314, 353, 360, 471, 628, 706, 785, 942, 1059, 1256, 1412, 1413, 1570, 1765, 1884, 2118, 2355, 2824, 2826, 3140, 3177, 3530, 3768, 4236, 4710, 5295, 5652, 6280, 6354, 7060, 7065, 8472, 9420, 10590, 11304, 12708, 14120, 14130, 15885, 18840, 21180, 25416, 28260, 31770, 42360, 55421, 56520, 63540, 110842, 127080, 166263, 221684, 277105, 332526, 443368, 498789, 554210, 665052, 831315, 997578, 1108420, 1330104, 1662630, 1995156, 2216840, 2493945, 3325260, 3990312, 4987890, 6650520, 9975780, 19951560]

約数ペア:

[(1, 19951560), (2, 9975780), (3, 6650520), (4, 4987890), (5, 3990312), (6, 3325260), (8, 2493945), (9, 2216840), (10, 1995156), (12, 1662630), (15, 1330104), (18, 1108420), (20, 997578), (24, 831315), (30, 665052), (36, 554210), (40, 498789), (45, 443368), (60, 332526), (72, 277105), (90, 221684), (120, 166263), (157, 127080), (180, 110842), (314, 63540), (353, 56520), (360, 55421), (471, 42360), (628, 31770), (706, 28260), (785, 25416), (942, 21180), (1059, 18840), (1256, 15885), (1412, 14130), (1413, 14120), (1570, 12708), (1765, 11304), (1884, 10590), (2118, 9420), (2355, 8472), (2824, 7065), (2826, 7060), (3140, 6354), (3177, 6280), (3530, 5652), (3768, 5295), (4236, 4710)]