31830180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 93434880

約数和(自身を除く): 61604700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 109, 124, 155, 157, 186, 218, 310, 314, 327, 372, 436, 465, 471, 545, 620, 628, 654, 785, 930, 942, 1090, 1308, 1570, 1635, 1860, 1884, 2180, 2355, 3140, 3270, 3379, 4710, 4867, 6540, 6758, 9420, 9734, 10137, 13516, 14601, 16895, 17113, 19468, 20274, 24335, 29202, 33790, 34226, 40548, 48670, 50685, 51339, 58404, 67580, 68452, 73005, 85565, 97340, 101370, 102678, 146010, 171130, 202740, 205356, 256695, 292020, 342260, 513390, 530503, 1026780, 1061006, 1591509, 2122012, 2652515, 3183018, 5305030, 6366036, 7957545, 10610060, 15915090, 31830180]

約数ペア:

[(1, 31830180), (2, 15915090), (3, 10610060), (4, 7957545), (5, 6366036), (6, 5305030), (10, 3183018), (12, 2652515), (15, 2122012), (20, 1591509), (30, 1061006), (31, 1026780), (60, 530503), (62, 513390), (93, 342260), (109, 292020), (124, 256695), (155, 205356), (157, 202740), (186, 171130), (218, 146010), (310, 102678), (314, 101370), (327, 97340), (372, 85565), (436, 73005), (465, 68452), (471, 67580), (545, 58404), (620, 51339), (628, 50685), (654, 48670), (785, 40548), (930, 34226), (942, 33790), (1090, 29202), (1308, 24335), (1570, 20274), (1635, 19468), (1860, 17113), (1884, 16895), (2180, 14601), (2355, 13516), (3140, 10137), (3270, 9734), (3379, 9420), (4710, 6758), (4867, 6540)]