90234180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 287099904

約数和(自身を除く): 196865724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 103, 124, 155, 157, 180, 186, 206, 279, 309, 310, 314, 372, 412, 465, 471, 515, 558, 618, 620, 628, 785, 927, 930, 942, 1030, 1116, 1236, 1395, 1413, 1545, 1570, 1854, 1860, 1884, 2060, 2355, 2790, 2826, 3090, 3140, 3193, 3708, 4635, 4710, 4867, 5580, 5652, 6180, 6386, 7065, 9270, 9420, 9579, 9734, 12772, 14130, 14601, 15965, 16171, 18540, 19158, 19468, 24335, 28260, 28737, 29202, 31930, 32342, 38316, 43803, 47895, 48513, 48670, 57474, 58404, 63860, 64684, 73005, 80855, 87606, 95790, 97026, 97340, 114948, 143685, 145539, 146010, 161710, 175212, 191580, 194052, 219015, 242565, 287370, 291078, 292020, 323420, 438030, 485130, 501301, 574740, 582156, 727695, 876060, 970260, 1002602, 1455390, 1503903, 2005204, 2506505, 2910780, 3007806, 4511709, 5013010, 6015612, 7519515, 9023418, 10026020, 15039030, 18046836, 22558545, 30078060, 45117090, 90234180]

約数ペア:

[(1, 90234180), (2, 45117090), (3, 30078060), (4, 22558545), (5, 18046836), (6, 15039030), (9, 10026020), (10, 9023418), (12, 7519515), (15, 6015612), (18, 5013010), (20, 4511709), (30, 3007806), (31, 2910780), (36, 2506505), (45, 2005204), (60, 1503903), (62, 1455390), (90, 1002602), (93, 970260), (103, 876060), (124, 727695), (155, 582156), (157, 574740), (180, 501301), (186, 485130), (206, 438030), (279, 323420), (309, 292020), (310, 291078), (314, 287370), (372, 242565), (412, 219015), (465, 194052), (471, 191580), (515, 175212), (558, 161710), (618, 146010), (620, 145539), (628, 143685), (785, 114948), (927, 97340), (930, 97026), (942, 95790), (1030, 87606), (1116, 80855), (1236, 73005), (1395, 64684), (1413, 63860), (1545, 58404), (1570, 57474), (1854, 48670), (1860, 48513), (1884, 47895), (2060, 43803), (2355, 38316), (2790, 32342), (2826, 31930), (3090, 29202), (3140, 28737), (3193, 28260), (3708, 24335), (4635, 19468), (4710, 19158), (4867, 18540), (5580, 16171), (5652, 15965), (6180, 14601), (6386, 14130), (7065, 12772), (9270, 9734), (9420, 9579)]