248725260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{643}}^1$

素因数の和:972

約数の個数: 144

約数和(自身を含む): 866401536

約数和(自身を除く): 617676276

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 307, 315, 420, 614, 630, 643, 921, 1228, 1260, 1286, 1535, 1842, 1929, 2149, 2572, 2763, 3070, 3215, 3684, 3858, 4298, 4501, 4605, 5526, 5787, 6140, 6430, 6447, 7716, 8596, 9002, 9210, 9645, 10745, 11052, 11574, 12860, 12894, 13503, 13815, 18004, 18420, 19290, 19341, 21490, 22505, 23148, 25788, 27006, 27630, 28935, 32235, 38580, 38682, 40509, 42980, 45010, 54012, 55260, 57870, 64470, 67515, 77364, 81018, 90020, 96705, 115740, 128940, 135030, 162036, 193410, 197401, 202545, 270060, 386820, 394802, 405090, 592203, 789604, 810180, 987005, 1184406, 1381807, 1776609, 1974010, 2368812, 2763614, 2961015, 3553218, 3948020, 4145421, 5527228, 5922030, 6909035, 7106436, 8290842, 8883045, 11844060, 12436263, 13818070, 16581684, 17766090, 20727105, 24872526, 27636140, 35532180, 41454210, 49745052, 62181315, 82908420, 124362630, 248725260]

約数ペア:

[(1, 248725260), (2, 124362630), (3, 82908420), (4, 62181315), (5, 49745052), (6, 41454210), (7, 35532180), (9, 27636140), (10, 24872526), (12, 20727105), (14, 17766090), (15, 16581684), (18, 13818070), (20, 12436263), (21, 11844060), (28, 8883045), (30, 8290842), (35, 7106436), (36, 6909035), (42, 5922030), (45, 5527228), (60, 4145421), (63, 3948020), (70, 3553218), (84, 2961015), (90, 2763614), (105, 2368812), (126, 1974010), (140, 1776609), (180, 1381807), (210, 1184406), (252, 987005), (307, 810180), (315, 789604), (420, 592203), (614, 405090), (630, 394802), (643, 386820), (921, 270060), (1228, 202545), (1260, 197401), (1286, 193410), (1535, 162036), (1842, 135030), (1929, 128940), (2149, 115740), (2572, 96705), (2763, 90020), (3070, 81018), (3215, 77364), (3684, 67515), (3858, 64470), (4298, 57870), (4501, 55260), (4605, 54012), (5526, 45010), (5787, 42980), (6140, 40509), (6430, 38682), (6447, 38580), (7716, 32235), (8596, 28935), (9002, 27630), (9210, 27006), (9645, 25788), (10745, 23148), (11052, 22505), (11574, 21490), (12860, 19341), (12894, 19290), (13503, 18420), (13815, 18004)]