216811120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{823}}^1$

素因数の和:962

約数の個数: 80

約数和(自身を含む): 524162880

約数和(自身を除く): 307351760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 89, 148, 178, 185, 296, 356, 370, 445, 592, 712, 740, 823, 890, 1424, 1480, 1646, 1780, 2960, 3292, 3293, 3560, 4115, 6584, 6586, 7120, 8230, 13168, 13172, 16460, 16465, 26344, 30451, 32920, 32930, 52688, 60902, 65840, 65860, 73247, 121804, 131720, 146494, 152255, 243608, 263440, 292988, 304510, 366235, 487216, 585976, 609020, 732470, 1171952, 1218040, 1464940, 2436080, 2710139, 2929880, 5420278, 5859760, 10840556, 13550695, 21681112, 27101390, 43362224, 54202780, 108405560, 216811120]

約数ペア:

[(1, 216811120), (2, 108405560), (4, 54202780), (5, 43362224), (8, 27101390), (10, 21681112), (16, 13550695), (20, 10840556), (37, 5859760), (40, 5420278), (74, 2929880), (80, 2710139), (89, 2436080), (148, 1464940), (178, 1218040), (185, 1171952), (296, 732470), (356, 609020), (370, 585976), (445, 487216), (592, 366235), (712, 304510), (740, 292988), (823, 263440), (890, 243608), (1424, 152255), (1480, 146494), (1646, 131720), (1780, 121804), (2960, 73247), (3292, 65860), (3293, 65840), (3560, 60902), (4115, 52688), (6584, 32930), (6586, 32920), (7120, 30451), (8230, 26344), (13168, 16465), (13172, 16460)]