256820304

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4243}}^1$

素因数の和:4364

約数の個数: 80

約数和(自身を含む): 722023232

約数和(自身を除く): 465202928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 97, 104, 156, 194, 208, 291, 312, 388, 582, 624, 776, 1164, 1261, 1552, 2328, 2522, 3783, 4243, 4656, 5044, 7566, 8486, 10088, 12729, 15132, 16972, 20176, 25458, 30264, 33944, 50916, 55159, 60528, 67888, 101832, 110318, 165477, 203664, 220636, 330954, 411571, 441272, 661908, 823142, 882544, 1234713, 1323816, 1646284, 2469426, 2647632, 3292568, 4938852, 5350423, 6585136, 9877704, 10700846, 16051269, 19755408, 21401692, 32102538, 42803384, 64205076, 85606768, 128410152, 256820304]

約数ペア:

[(1, 256820304), (2, 128410152), (3, 85606768), (4, 64205076), (6, 42803384), (8, 32102538), (12, 21401692), (13, 19755408), (16, 16051269), (24, 10700846), (26, 9877704), (39, 6585136), (48, 5350423), (52, 4938852), (78, 3292568), (97, 2647632), (104, 2469426), (156, 1646284), (194, 1323816), (208, 1234713), (291, 882544), (312, 823142), (388, 661908), (582, 441272), (624, 411571), (776, 330954), (1164, 220636), (1261, 203664), (1552, 165477), (2328, 110318), (2522, 101832), (3783, 67888), (4243, 60528), (4656, 55159), (5044, 50916), (7566, 33944), (8486, 30264), (10088, 25458), (12729, 20176), (15132, 16972)]