81897450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:392

約数の個数: 96

約数和(自身を含む): 214004160

約数和(自身を除く): 132106710

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 67, 75, 87, 134, 145, 150, 174, 201, 281, 290, 335, 402, 435, 562, 670, 725, 843, 870, 1005, 1405, 1450, 1675, 1686, 1943, 2010, 2175, 2810, 3350, 3886, 4215, 4350, 5025, 5829, 7025, 8149, 8430, 9715, 10050, 11658, 14050, 16298, 18827, 19430, 21075, 24447, 29145, 37654, 40745, 42150, 48575, 48894, 56481, 58290, 81490, 94135, 97150, 112962, 122235, 145725, 188270, 203725, 244470, 282405, 291450, 407450, 470675, 545983, 564810, 611175, 941350, 1091966, 1222350, 1412025, 1637949, 2729915, 2824050, 3275898, 5459830, 8189745, 13649575, 16379490, 27299150, 40948725, 81897450]

約数ペア:

[(1, 81897450), (2, 40948725), (3, 27299150), (5, 16379490), (6, 13649575), (10, 8189745), (15, 5459830), (25, 3275898), (29, 2824050), (30, 2729915), (50, 1637949), (58, 1412025), (67, 1222350), (75, 1091966), (87, 941350), (134, 611175), (145, 564810), (150, 545983), (174, 470675), (201, 407450), (281, 291450), (290, 282405), (335, 244470), (402, 203725), (435, 188270), (562, 145725), (670, 122235), (725, 112962), (843, 97150), (870, 94135), (1005, 81490), (1405, 58290), (1450, 56481), (1675, 48894), (1686, 48575), (1943, 42150), (2010, 40745), (2175, 37654), (2810, 29145), (3350, 24447), (3886, 21075), (4215, 19430), (4350, 18827), (5025, 16298), (5829, 14050), (7025, 11658), (8149, 10050), (8430, 9715)]