278675120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3037}}^1$

素因数の和:3118

約数の個数: 80

約数和(自身を含む): 687122688

約数和(自身を除く): 408447568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1480, 2294, 2480, 2960, 3037, 4588, 5735, 6074, 9176, 11470, 12148, 15185, 18352, 22940, 24296, 30370, 45880, 48592, 60740, 91760, 94147, 112369, 121480, 188294, 224738, 242960, 376588, 449476, 470735, 561845, 753176, 898952, 941470, 1123690, 1506352, 1797904, 1882940, 2247380, 3483439, 3765880, 4494760, 6966878, 7531760, 8989520, 13933756, 17417195, 27867512, 34834390, 55735024, 69668780, 139337560, 278675120]

約数ペア:

[(1, 278675120), (2, 139337560), (4, 69668780), (5, 55735024), (8, 34834390), (10, 27867512), (16, 17417195), (20, 13933756), (31, 8989520), (37, 7531760), (40, 6966878), (62, 4494760), (74, 3765880), (80, 3483439), (124, 2247380), (148, 1882940), (155, 1797904), (185, 1506352), (248, 1123690), (296, 941470), (310, 898952), (370, 753176), (496, 561845), (592, 470735), (620, 449476), (740, 376588), (1147, 242960), (1240, 224738), (1480, 188294), (2294, 121480), (2480, 112369), (2960, 94147), (3037, 91760), (4588, 60740), (5735, 48592), (6074, 45880), (9176, 30370), (11470, 24296), (12148, 22940), (15185, 18352)]