165816840

素因数分解:

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

素因数の和:971

約数の個数: 128

約数和(自身を含む): 571253760

約数和(自身を除く): 405436920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 307, 420, 614, 643, 840, 921, 1228, 1286, 1535, 1842, 1929, 2149, 2456, 2572, 3070, 3215, 3684, 3858, 4298, 4501, 4605, 5144, 6140, 6430, 6447, 7368, 7716, 8596, 9002, 9210, 9645, 10745, 12280, 12860, 12894, 13503, 15432, 17192, 18004, 18420, 19290, 21490, 22505, 25720, 25788, 27006, 32235, 36008, 36840, 38580, 42980, 45010, 51576, 54012, 64470, 67515, 77160, 85960, 90020, 108024, 128940, 135030, 180040, 197401, 257880, 270060, 394802, 540120, 592203, 789604, 987005, 1184406, 1381807, 1579208, 1974010, 2368812, 2763614, 2961015, 3948020, 4145421, 4737624, 5527228, 5922030, 6909035, 7896040, 8290842, 11054456, 11844060, 13818070, 16581684, 20727105, 23688120, 27636140, 33163368, 41454210, 55272280, 82908420, 165816840]

約数ペア:

[(1, 165816840), (2, 82908420), (3, 55272280), (4, 41454210), (5, 33163368), (6, 27636140), (7, 23688120), (8, 20727105), (10, 16581684), (12, 13818070), (14, 11844060), (15, 11054456), (20, 8290842), (21, 7896040), (24, 6909035), (28, 5922030), (30, 5527228), (35, 4737624), (40, 4145421), (42, 3948020), (56, 2961015), (60, 2763614), (70, 2368812), (84, 1974010), (105, 1579208), (120, 1381807), (140, 1184406), (168, 987005), (210, 789604), (280, 592203), (307, 540120), (420, 394802), (614, 270060), (643, 257880), (840, 197401), (921, 180040), (1228, 135030), (1286, 128940), (1535, 108024), (1842, 90020), (1929, 85960), (2149, 77160), (2456, 67515), (2572, 64470), (3070, 54012), (3215, 51576), (3684, 45010), (3858, 42980), (4298, 38580), (4501, 36840), (4605, 36008), (5144, 32235), (6140, 27006), (6430, 25788), (6447, 25720), (7368, 22505), (7716, 21490), (8596, 19290), (9002, 18420), (9210, 18004), (9645, 17192), (10745, 15432), (12280, 13503), (12860, 12894)]