71648940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 225227520

約数和(自身を除く): 153578580

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 71, 110, 121, 132, 139, 142, 165, 213, 220, 242, 278, 284, 330, 355, 363, 417, 426, 484, 556, 605, 660, 695, 710, 726, 781, 834, 852, 1065, 1210, 1390, 1420, 1452, 1529, 1562, 1668, 1815, 2085, 2130, 2343, 2420, 2780, 3058, 3124, 3630, 3905, 4170, 4260, 4587, 4686, 6116, 7260, 7645, 7810, 8340, 8591, 9174, 9372, 9869, 11715, 15290, 15620, 16819, 17182, 18348, 19738, 22935, 23430, 25773, 29607, 30580, 33638, 34364, 39476, 42955, 45870, 46860, 49345, 50457, 51546, 59214, 67276, 84095, 85910, 91740, 98690, 100914, 103092, 108559, 118428, 128865, 148035, 168190, 171820, 197380, 201828, 217118, 252285, 257730, 296070, 325677, 336380, 434236, 504570, 515460, 542795, 592140, 651354, 1009140, 1085590, 1194149, 1302708, 1628385, 2171180, 2388298, 3256770, 3582447, 4776596, 5970745, 6513540, 7164894, 11941490, 14329788, 17912235, 23882980, 35824470, 71648940]

約数ペア:

[(1, 71648940), (2, 35824470), (3, 23882980), (4, 17912235), (5, 14329788), (6, 11941490), (10, 7164894), (11, 6513540), (12, 5970745), (15, 4776596), (20, 3582447), (22, 3256770), (30, 2388298), (33, 2171180), (44, 1628385), (55, 1302708), (60, 1194149), (66, 1085590), (71, 1009140), (110, 651354), (121, 592140), (132, 542795), (139, 515460), (142, 504570), (165, 434236), (213, 336380), (220, 325677), (242, 296070), (278, 257730), (284, 252285), (330, 217118), (355, 201828), (363, 197380), (417, 171820), (426, 168190), (484, 148035), (556, 128865), (605, 118428), (660, 108559), (695, 103092), (710, 100914), (726, 98690), (781, 91740), (834, 85910), (852, 84095), (1065, 67276), (1210, 59214), (1390, 51546), (1420, 50457), (1452, 49345), (1529, 46860), (1562, 45870), (1668, 42955), (1815, 39476), (2085, 34364), (2130, 33638), (2343, 30580), (2420, 29607), (2780, 25773), (3058, 23430), (3124, 22935), (3630, 19738), (3905, 18348), (4170, 17182), (4260, 16819), (4587, 15620), (4686, 15290), (6116, 11715), (7260, 9869), (7645, 9372), (7810, 9174), (8340, 8591)]