18720163220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{29131}}^1$

素因数の和:29301

約数の個数: 96

約数和(自身を含む): 45104726016

約数和(自身を除く): 26384562796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 127, 220, 230, 253, 254, 460, 506, 508, 635, 1012, 1265, 1270, 1397, 2530, 2540, 2794, 2921, 5060, 5588, 5842, 6985, 11684, 13970, 14605, 27940, 29131, 29210, 32131, 58262, 58420, 64262, 116524, 128524, 145655, 160655, 291310, 320441, 321310, 582620, 640882, 642620, 670013, 1281764, 1340026, 1602205, 2680052, 3204410, 3350065, 3699637, 6408820, 6700130, 7370143, 7399274, 13400260, 14740286, 14798548, 18498185, 29480572, 36850715, 36996370, 40696007, 73701430, 73992740, 81392014, 85091651, 147402860, 162784028, 170183302, 203480035, 340366604, 406960070, 425458255, 813920140, 850916510, 936008161, 1701833020, 1872016322, 3744032644, 4680040805, 9360081610, 18720163220]

約数ペア:

[(1, 18720163220), (2, 9360081610), (4, 4680040805), (5, 3744032644), (10, 1872016322), (11, 1701833020), (20, 936008161), (22, 850916510), (23, 813920140), (44, 425458255), (46, 406960070), (55, 340366604), (92, 203480035), (110, 170183302), (115, 162784028), (127, 147402860), (220, 85091651), (230, 81392014), (253, 73992740), (254, 73701430), (460, 40696007), (506, 36996370), (508, 36850715), (635, 29480572), (1012, 18498185), (1265, 14798548), (1270, 14740286), (1397, 13400260), (2530, 7399274), (2540, 7370143), (2794, 6700130), (2921, 6408820), (5060, 3699637), (5588, 3350065), (5842, 3204410), (6985, 2680052), (11684, 1602205), (13970, 1340026), (14605, 1281764), (27940, 670013), (29131, 642620), (29210, 640882), (32131, 582620), (58262, 321310), (58420, 320441), (64262, 291310), (116524, 160655), (128524, 145655)]