31820820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 95047680

約数和(自身を除く): 63226860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 103, 114, 190, 206, 228, 271, 285, 309, 380, 412, 515, 542, 570, 618, 813, 1030, 1084, 1140, 1236, 1355, 1545, 1626, 1957, 2060, 2710, 3090, 3252, 3914, 4065, 5149, 5420, 5871, 6180, 7828, 8130, 9785, 10298, 11742, 15447, 16260, 19570, 20596, 23484, 25745, 27913, 29355, 30894, 39140, 51490, 55826, 58710, 61788, 77235, 83739, 102980, 111652, 117420, 139565, 154470, 167478, 279130, 308940, 334956, 418695, 530347, 558260, 837390, 1060694, 1591041, 1674780, 2121388, 2651735, 3182082, 5303470, 6364164, 7955205, 10606940, 15910410, 31820820]

約数ペア:

[(1, 31820820), (2, 15910410), (3, 10606940), (4, 7955205), (5, 6364164), (6, 5303470), (10, 3182082), (12, 2651735), (15, 2121388), (19, 1674780), (20, 1591041), (30, 1060694), (38, 837390), (57, 558260), (60, 530347), (76, 418695), (95, 334956), (103, 308940), (114, 279130), (190, 167478), (206, 154470), (228, 139565), (271, 117420), (285, 111652), (309, 102980), (380, 83739), (412, 77235), (515, 61788), (542, 58710), (570, 55826), (618, 51490), (813, 39140), (1030, 30894), (1084, 29355), (1140, 27913), (1236, 25745), (1355, 23484), (1545, 20596), (1626, 19570), (1957, 16260), (2060, 15447), (2710, 11742), (3090, 10298), (3252, 9785), (3914, 8130), (4065, 7828), (5149, 6180), (5420, 5871)]