20977006680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{1319}}^1\times {\mathrm{6311}}^1$

素因数の和:7654

約数の個数: 192

約数和(自身を含む): 77986022400

約数和(自身を除く): 57009015720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 1319, 2520, 2638, 3957, 5276, 6311, 6595, 7914, 9233, 10552, 11871, 12622, 13190, 15828, 18466, 18933, 19785, 23742, 25244, 26380, 27699, 31555, 31656, 36932, 37866, 39570, 44177, 46165, 47484, 50488, 52760, 55398, 56799, 59355, 63110, 73864, 75732, 79140, 83097, 88354, 92330, 94665, 94968, 110796, 113598, 118710, 126220, 132531, 138495, 151464, 158280, 166194, 176708, 184660, 189330, 220885, 221592, 227196, 237420, 252440, 265062, 276990, 283995, 332388, 353416, 369320, 378660, 397593, 415485, 441770, 454392, 474840, 530124, 553980, 567990, 662655, 664776, 757320, 795186, 830970, 883540, 1060248, 1107960, 1135980, 1325310, 1590372, 1661940, 1767080, 1987965, 2271960, 2650620, 3180744, 3323880, 3975930, 5301240, 7951860, 8324209, 15903720, 16648418, 24972627, 33296836, 41621045, 49945254, 58269463, 66593672, 74917881, 83242090, 99890508, 116538926, 124863135, 149835762, 166484180, 174808389, 199781016, 233077852, 249726270, 291347315, 299671524, 332968360, 349616778, 374589405, 466155704, 499452540, 524425167, 582694630, 599343048, 699233556, 749178810, 874041945, 998905080, 1048850334, 1165389260, 1398467112, 1498357620, 1748083890, 2097700668, 2330778520, 2622125835, 2996715240, 3496167780, 4195401336, 5244251670, 6992335560, 10488503340, 20977006680]

約数ペア:

[(1, 20977006680), (2, 10488503340), (3, 6992335560), (4, 5244251670), (5, 4195401336), (6, 3496167780), (7, 2996715240), (8, 2622125835), (9, 2330778520), (10, 2097700668), (12, 1748083890), (14, 1498357620), (15, 1398467112), (18, 1165389260), (20, 1048850334), (21, 998905080), (24, 874041945), (28, 749178810), (30, 699233556), (35, 599343048), (36, 582694630), (40, 524425167), (42, 499452540), (45, 466155704), (56, 374589405), (60, 349616778), (63, 332968360), (70, 299671524), (72, 291347315), (84, 249726270), (90, 233077852), (105, 199781016), (120, 174808389), (126, 166484180), (140, 149835762), (168, 124863135), (180, 116538926), (210, 99890508), (252, 83242090), (280, 74917881), (315, 66593672), (360, 58269463), (420, 49945254), (504, 41621045), (630, 33296836), (840, 24972627), (1260, 16648418), (1319, 15903720), (2520, 8324209), (2638, 7951860), (3957, 5301240), (5276, 3975930), (6311, 3323880), (6595, 3180744), (7914, 2650620), (9233, 2271960), (10552, 1987965), (11871, 1767080), (12622, 1661940), (13190, 1590372), (15828, 1325310), (18466, 1135980), (18933, 1107960), (19785, 1060248), (23742, 883540), (25244, 830970), (26380, 795186), (27699, 757320), (31555, 664776), (31656, 662655), (36932, 567990), (37866, 553980), (39570, 530124), (44177, 474840), (46165, 454392), (47484, 441770), (50488, 415485), (52760, 397593), (55398, 378660), (56799, 369320), (59355, 353416), (63110, 332388), (73864, 283995), (75732, 276990), (79140, 265062), (83097, 252440), (88354, 237420), (92330, 227196), (94665, 221592), (94968, 220885), (110796, 189330), (113598, 184660), (118710, 176708), (126220, 166194), (132531, 158280), (138495, 151464)]