30817670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 63201600

約数和(自身を除く): 32383930

約数列:

[1, 2, 5, 10, 13, 26, 37, 43, 65, 74, 86, 130, 149, 185, 215, 298, 370, 430, 481, 559, 745, 962, 1118, 1490, 1591, 1937, 2405, 2795, 3182, 3874, 4810, 5513, 5590, 6407, 7955, 9685, 11026, 12814, 15910, 19370, 20683, 27565, 32035, 41366, 55130, 64070, 71669, 83291, 103415, 143338, 166582, 206830, 237059, 358345, 416455, 474118, 716690, 832910, 1185295, 2370590, 3081767, 6163534, 15408835, 30817670]

約数ペア:

[(1, 30817670), (2, 15408835), (5, 6163534), (10, 3081767), (13, 2370590), (26, 1185295), (37, 832910), (43, 716690), (65, 474118), (74, 416455), (86, 358345), (130, 237059), (149, 206830), (185, 166582), (215, 143338), (298, 103415), (370, 83291), (430, 71669), (481, 64070), (559, 55130), (745, 41366), (962, 32035), (1118, 27565), (1490, 20683), (1591, 19370), (1937, 15910), (2405, 12814), (2795, 11026), (3182, 9685), (3874, 7955), (4810, 6407), (5513, 5590)]