256896690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{16249}}^1$

素因数の和:16307

約数の個数: 64

約数和(自身を含む): 673920000

約数和(自身を除く): 417023310

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 31, 34, 51, 62, 85, 93, 102, 155, 170, 186, 255, 310, 465, 510, 527, 930, 1054, 1581, 2635, 3162, 5270, 7905, 15810, 16249, 32498, 48747, 81245, 97494, 162490, 243735, 276233, 487470, 503719, 552466, 828699, 1007438, 1381165, 1511157, 1657398, 2518595, 2762330, 3022314, 4143495, 5037190, 7555785, 8286990, 8563223, 15111570, 17126446, 25689669, 42816115, 51379338, 85632230, 128448345, 256896690]

約数ペア:

[(1, 256896690), (2, 128448345), (3, 85632230), (5, 51379338), (6, 42816115), (10, 25689669), (15, 17126446), (17, 15111570), (30, 8563223), (31, 8286990), (34, 7555785), (51, 5037190), (62, 4143495), (85, 3022314), (93, 2762330), (102, 2518595), (155, 1657398), (170, 1511157), (186, 1381165), (255, 1007438), (310, 828699), (465, 552466), (510, 503719), (527, 487470), (930, 276233), (1054, 243735), (1581, 162490), (2635, 97494), (3162, 81245), (5270, 48747), (7905, 32498), (15810, 16249)]