42821820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{659}}^1$

素因数の和:712

約数の個数: 108

約数和(自身を含む): 137297160

約数和(自身を除く): 94475340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 361, 380, 570, 659, 684, 722, 855, 1083, 1140, 1318, 1444, 1710, 1805, 1977, 2166, 2636, 3249, 3295, 3420, 3610, 3954, 4332, 5415, 5931, 6498, 6590, 7220, 7908, 9885, 10830, 11862, 12521, 12996, 13180, 16245, 19770, 21660, 23724, 25042, 29655, 32490, 37563, 39540, 50084, 59310, 62605, 64980, 75126, 112689, 118620, 125210, 150252, 187815, 225378, 237899, 250420, 375630, 450756, 475798, 563445, 713697, 751260, 951596, 1126890, 1189495, 1427394, 2141091, 2253780, 2378990, 2854788, 3568485, 4282182, 4757980, 7136970, 8564364, 10705455, 14273940, 21410910, 42821820]

約数ペア:

[(1, 42821820), (2, 21410910), (3, 14273940), (4, 10705455), (5, 8564364), (6, 7136970), (9, 4757980), (10, 4282182), (12, 3568485), (15, 2854788), (18, 2378990), (19, 2253780), (20, 2141091), (30, 1427394), (36, 1189495), (38, 1126890), (45, 951596), (57, 751260), (60, 713697), (76, 563445), (90, 475798), (95, 450756), (114, 375630), (171, 250420), (180, 237899), (190, 225378), (228, 187815), (285, 150252), (342, 125210), (361, 118620), (380, 112689), (570, 75126), (659, 64980), (684, 62605), (722, 59310), (855, 50084), (1083, 39540), (1140, 37563), (1318, 32490), (1444, 29655), (1710, 25042), (1805, 23724), (1977, 21660), (2166, 19770), (2636, 16245), (3249, 13180), (3295, 12996), (3420, 12521), (3610, 11862), (3954, 10830), (4332, 9885), (5415, 7908), (5931, 7220), (6498, 6590)]