21920667840

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{400597}}^1$

素因数の和:400639

約数の個数: 168

約数和(自身を含む): 79366475760

約数和(自身を除く): 57445807920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 342, 360, 380, 456, 480, 570, 576, 608, 684, 720, 760, 855, 912, 960, 1140, 1216, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 2880, 3040, 3420, 3648, 4560, 5472, 6080, 6840, 9120, 10944, 13680, 18240, 27360, 54720, 400597, 801194, 1201791, 1602388, 2002985, 2403582, 3204776, 3605373, 4005970, 4807164, 6008955, 6409552, 7210746, 7611343, 8011940, 9614328, 12017910, 12819104, 14421492, 15222686, 16023880, 18026865, 19228656, 22834029, 24035820, 25638208, 28842984, 30445372, 32047760, 36053730, 38056715, 38457312, 45668058, 48071640, 57685968, 60890744, 64095520, 68502087, 72107460, 76113430, 76914624, 91336116, 96143280, 114170145, 115371936, 121781488, 128191040, 137004174, 144214920, 152226860, 182672232, 192286560, 228340290, 230743872, 243562976, 274008348, 288429840, 304453720, 342510435, 365344464, 384573120, 456680580, 487125952, 548016696, 576859680, 608907440, 685020870, 730688928, 913361160, 1096033392, 1153719360, 1217814880, 1370041740, 1461377856, 1826722320, 2192066784, 2435629760, 2740083480, 3653444640, 4384133568, 5480166960, 7306889280, 10960333920, 21920667840]

約数ペア:

[(1, 21920667840), (2, 10960333920), (3, 7306889280), (4, 5480166960), (5, 4384133568), (6, 3653444640), (8, 2740083480), (9, 2435629760), (10, 2192066784), (12, 1826722320), (15, 1461377856), (16, 1370041740), (18, 1217814880), (19, 1153719360), (20, 1096033392), (24, 913361160), (30, 730688928), (32, 685020870), (36, 608907440), (38, 576859680), (40, 548016696), (45, 487125952), (48, 456680580), (57, 384573120), (60, 365344464), (64, 342510435), (72, 304453720), (76, 288429840), (80, 274008348), (90, 243562976), (95, 230743872), (96, 228340290), (114, 192286560), (120, 182672232), (144, 152226860), (152, 144214920), (160, 137004174), (171, 128191040), (180, 121781488), (190, 115371936), (192, 114170145), (228, 96143280), (240, 91336116), (285, 76914624), (288, 76113430), (304, 72107460), (320, 68502087), (342, 64095520), (360, 60890744), (380, 57685968), (456, 48071640), (480, 45668058), (570, 38457312), (576, 38056715), (608, 36053730), (684, 32047760), (720, 30445372), (760, 28842984), (855, 25638208), (912, 24035820), (960, 22834029), (1140, 19228656), (1216, 18026865), (1368, 16023880), (1440, 15222686), (1520, 14421492), (1710, 12819104), (1824, 12017910), (2280, 9614328), (2736, 8011940), (2880, 7611343), (3040, 7210746), (3420, 6409552), (3648, 6008955), (4560, 4807164), (5472, 4005970), (6080, 3605373), (6840, 3204776), (9120, 2403582), (10944, 2002985), (13680, 1602388), (18240, 1201791), (27360, 801194), (54720, 400597)]