1265221120

素因数分解:

$2^9\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1579}}^1$

素因数の和:1915

約数の個数: 80

約数和(自身を含む): 3045184560

約数和(自身を除く): 1779963440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 313, 320, 512, 626, 640, 1252, 1280, 1565, 1579, 2504, 2560, 3130, 3158, 5008, 6260, 6316, 7895, 10016, 12520, 12632, 15790, 20032, 25040, 25264, 31580, 40064, 50080, 50528, 63160, 80128, 100160, 101056, 126320, 160256, 200320, 202112, 252640, 400640, 404224, 494227, 505280, 801280, 808448, 988454, 1010560, 1976908, 2021120, 2471135, 3953816, 4042240, 4942270, 7907632, 9884540, 15815264, 19769080, 31630528, 39538160, 63261056, 79076320, 126522112, 158152640, 253044224, 316305280, 632610560, 1265221120]

約数ペア:

[(1, 1265221120), (2, 632610560), (4, 316305280), (5, 253044224), (8, 158152640), (10, 126522112), (16, 79076320), (20, 63261056), (32, 39538160), (40, 31630528), (64, 19769080), (80, 15815264), (128, 9884540), (160, 7907632), (256, 4942270), (313, 4042240), (320, 3953816), (512, 2471135), (626, 2021120), (640, 1976908), (1252, 1010560), (1280, 988454), (1565, 808448), (1579, 801280), (2504, 505280), (2560, 494227), (3130, 404224), (3158, 400640), (5008, 252640), (6260, 202112), (6316, 200320), (7895, 160256), (10016, 126320), (12520, 101056), (12632, 100160), (15790, 80128), (20032, 63160), (25040, 50528), (25264, 50080), (31580, 40064)]