81452340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3037}}^1$

素因数の和:3201

約数の個数: 72

約数和(自身を含む): 248812200

約数和(自身を除く): 167359860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 3037, 4470, 5364, 6074, 6705, 8940, 9111, 12148, 13410, 15185, 18222, 26820, 27333, 30370, 36444, 45555, 54666, 60740, 91110, 109332, 136665, 182220, 273330, 452513, 546660, 905026, 1357539, 1810052, 2262565, 2715078, 4072617, 4525130, 5430156, 6787695, 8145234, 9050260, 13575390, 16290468, 20363085, 27150780, 40726170, 81452340]

約数ペア:

[(1, 81452340), (2, 40726170), (3, 27150780), (4, 20363085), (5, 16290468), (6, 13575390), (9, 9050260), (10, 8145234), (12, 6787695), (15, 5430156), (18, 4525130), (20, 4072617), (30, 2715078), (36, 2262565), (45, 1810052), (60, 1357539), (90, 905026), (149, 546660), (180, 452513), (298, 273330), (447, 182220), (596, 136665), (745, 109332), (894, 91110), (1341, 60740), (1490, 54666), (1788, 45555), (2235, 36444), (2682, 30370), (2980, 27333), (3037, 26820), (4470, 18222), (5364, 15185), (6074, 13410), (6705, 12148), (8940, 9111)]