163989180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{24623}}^1$

素因数の和:24675

約数の個数: 72

約数和(自身を含む): 510898752

約数和(自身を除く): 346909572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 24623, 49246, 73869, 98492, 123115, 147738, 221607, 246230, 295476, 369345, 443214, 492460, 738690, 886428, 911051, 1108035, 1477380, 1822102, 2216070, 2733153, 3644204, 4432140, 4555255, 5466306, 8199459, 9110510, 10932612, 13665765, 16398918, 18221020, 27331530, 32797836, 40997295, 54663060, 81994590, 163989180]

約数ペア:

[(1, 163989180), (2, 81994590), (3, 54663060), (4, 40997295), (5, 32797836), (6, 27331530), (9, 18221020), (10, 16398918), (12, 13665765), (15, 10932612), (18, 9110510), (20, 8199459), (30, 5466306), (36, 4555255), (37, 4432140), (45, 3644204), (60, 2733153), (74, 2216070), (90, 1822102), (111, 1477380), (148, 1108035), (180, 911051), (185, 886428), (222, 738690), (333, 492460), (370, 443214), (444, 369345), (555, 295476), (666, 246230), (740, 221607), (1110, 147738), (1332, 123115), (1665, 98492), (2220, 73869), (3330, 49246), (6660, 24623)]