81566550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 240484608

約数和(自身を除く): 158918058

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 73, 75, 78, 90, 117, 130, 146, 150, 191, 195, 219, 225, 234, 325, 365, 382, 390, 438, 450, 573, 585, 650, 657, 730, 949, 955, 975, 1095, 1146, 1170, 1314, 1719, 1825, 1898, 1910, 1950, 2190, 2483, 2847, 2865, 2925, 3285, 3438, 3650, 4745, 4775, 4966, 5475, 5694, 5730, 5850, 6570, 7449, 8541, 8595, 9490, 9550, 10950, 12415, 13943, 14235, 14325, 14898, 16425, 17082, 17190, 22347, 23725, 24830, 27886, 28470, 28650, 32850, 37245, 41829, 42705, 42975, 44694, 47450, 62075, 69715, 71175, 74490, 83658, 85410, 85950, 111735, 124150, 125487, 139430, 142350, 181259, 186225, 209145, 213525, 223470, 250974, 348575, 362518, 372450, 418290, 427050, 543777, 558675, 627435, 697150, 906295, 1045725, 1087554, 1117350, 1254870, 1631331, 1812590, 2091450, 2718885, 3137175, 3262662, 4531475, 5437770, 6274350, 8156655, 9062950, 13594425, 16313310, 27188850, 40783275, 81566550]

約数ペア:

[(1, 81566550), (2, 40783275), (3, 27188850), (5, 16313310), (6, 13594425), (9, 9062950), (10, 8156655), (13, 6274350), (15, 5437770), (18, 4531475), (25, 3262662), (26, 3137175), (30, 2718885), (39, 2091450), (45, 1812590), (50, 1631331), (65, 1254870), (73, 1117350), (75, 1087554), (78, 1045725), (90, 906295), (117, 697150), (130, 627435), (146, 558675), (150, 543777), (191, 427050), (195, 418290), (219, 372450), (225, 362518), (234, 348575), (325, 250974), (365, 223470), (382, 213525), (390, 209145), (438, 186225), (450, 181259), (573, 142350), (585, 139430), (650, 125487), (657, 124150), (730, 111735), (949, 85950), (955, 85410), (975, 83658), (1095, 74490), (1146, 71175), (1170, 69715), (1314, 62075), (1719, 47450), (1825, 44694), (1898, 42975), (1910, 42705), (1950, 41829), (2190, 37245), (2483, 32850), (2847, 28650), (2865, 28470), (2925, 27886), (3285, 24830), (3438, 23725), (3650, 22347), (4745, 17190), (4775, 17082), (4966, 16425), (5475, 14898), (5694, 14325), (5730, 14235), (5850, 13943), (6570, 12415), (7449, 10950), (8541, 9550), (8595, 9490)]