30890860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1543}}^1$

素因数の和:1583

約数の個数: 96

約数和(自身を含む): 87155712

約数和(自身を除く): 56264852

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1543, 1820, 2002, 2860, 3086, 4004, 5005, 6172, 7715, 10010, 10801, 15430, 16973, 20020, 20059, 21602, 30860, 33946, 40118, 43204, 54005, 67892, 80236, 84865, 100295, 108010, 118811, 140413, 169730, 200590, 216020, 220649, 237622, 280826, 339460, 401180, 441298, 475244, 561652, 594055, 702065, 882596, 1103245, 1188110, 1404130, 1544543, 2206490, 2376220, 2808260, 3089086, 4412980, 6178172, 7722715, 15445430, 30890860]

約数ペア:

[(1, 30890860), (2, 15445430), (4, 7722715), (5, 6178172), (7, 4412980), (10, 3089086), (11, 2808260), (13, 2376220), (14, 2206490), (20, 1544543), (22, 1404130), (26, 1188110), (28, 1103245), (35, 882596), (44, 702065), (52, 594055), (55, 561652), (65, 475244), (70, 441298), (77, 401180), (91, 339460), (110, 280826), (130, 237622), (140, 220649), (143, 216020), (154, 200590), (182, 169730), (220, 140413), (260, 118811), (286, 108010), (308, 100295), (364, 84865), (385, 80236), (455, 67892), (572, 54005), (715, 43204), (770, 40118), (910, 33946), (1001, 30860), (1430, 21602), (1540, 20059), (1543, 20020), (1820, 16973), (2002, 15430), (2860, 10801), (3086, 10010), (4004, 7715), (5005, 6172)]