30761720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{463}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 76170240

約数和(自身を除く): 45408520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 151, 220, 302, 440, 463, 604, 755, 926, 1208, 1510, 1661, 1852, 2315, 3020, 3322, 3704, 4630, 5093, 6040, 6644, 8305, 9260, 10186, 13288, 16610, 18520, 20372, 25465, 33220, 40744, 50930, 66440, 69913, 101860, 139826, 203720, 279652, 349565, 559304, 699130, 769043, 1398260, 1538086, 2796520, 3076172, 3845215, 6152344, 7690430, 15380860, 30761720]

約数ペア:

[(1, 30761720), (2, 15380860), (4, 7690430), (5, 6152344), (8, 3845215), (10, 3076172), (11, 2796520), (20, 1538086), (22, 1398260), (40, 769043), (44, 699130), (55, 559304), (88, 349565), (110, 279652), (151, 203720), (220, 139826), (302, 101860), (440, 69913), (463, 66440), (604, 50930), (755, 40744), (926, 33220), (1208, 25465), (1510, 20372), (1661, 18520), (1852, 16610), (2315, 13288), (3020, 10186), (3322, 9260), (3704, 8305), (4630, 6644), (5093, 6040)]