257036490

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1423}}^1$

素因数の和:1665

約数の個数: 80

約数和(自身を含む): 694729728

約数和(自身を除く): 437693238

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 223, 270, 405, 446, 669, 810, 1115, 1338, 1423, 2007, 2230, 2846, 3345, 4014, 4269, 6021, 6690, 7115, 8538, 10035, 12042, 12807, 14230, 18063, 20070, 21345, 25614, 30105, 36126, 38421, 42690, 60210, 64035, 76842, 90315, 115263, 128070, 180630, 192105, 230526, 317329, 384210, 576315, 634658, 951987, 1152630, 1586645, 1903974, 2855961, 3173290, 4759935, 5711922, 8567883, 9519870, 14279805, 17135766, 25703649, 28559610, 42839415, 51407298, 85678830, 128518245, 257036490]

約数ペア:

[(1, 257036490), (2, 128518245), (3, 85678830), (5, 51407298), (6, 42839415), (9, 28559610), (10, 25703649), (15, 17135766), (18, 14279805), (27, 9519870), (30, 8567883), (45, 5711922), (54, 4759935), (81, 3173290), (90, 2855961), (135, 1903974), (162, 1586645), (223, 1152630), (270, 951987), (405, 634658), (446, 576315), (669, 384210), (810, 317329), (1115, 230526), (1338, 192105), (1423, 180630), (2007, 128070), (2230, 115263), (2846, 90315), (3345, 76842), (4014, 64035), (4269, 60210), (6021, 42690), (6690, 38421), (7115, 36126), (8538, 30105), (10035, 25614), (12042, 21345), (12807, 20070), (14230, 18063)]