30908820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1427}}^1$

素因数の和:1477

約数の個数: 72

約数和(自身を含む): 91403424

約数和(自身を除く): 60494604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 1083, 1140, 1427, 1444, 1805, 2166, 2854, 3610, 4281, 4332, 5415, 5708, 7135, 7220, 8562, 10830, 14270, 17124, 21405, 21660, 27113, 28540, 42810, 54226, 81339, 85620, 108452, 135565, 162678, 271130, 325356, 406695, 515147, 542260, 813390, 1030294, 1545441, 1626780, 2060588, 2575735, 3090882, 5151470, 6181764, 7727205, 10302940, 15454410, 30908820]

約数ペア:

[(1, 30908820), (2, 15454410), (3, 10302940), (4, 7727205), (5, 6181764), (6, 5151470), (10, 3090882), (12, 2575735), (15, 2060588), (19, 1626780), (20, 1545441), (30, 1030294), (38, 813390), (57, 542260), (60, 515147), (76, 406695), (95, 325356), (114, 271130), (190, 162678), (228, 135565), (285, 108452), (361, 85620), (380, 81339), (570, 54226), (722, 42810), (1083, 28540), (1140, 27113), (1427, 21660), (1444, 21405), (1805, 17124), (2166, 14270), (2854, 10830), (3610, 8562), (4281, 7220), (4332, 7135), (5415, 5708)]