20572861680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{194377}}^1$

素因数の和:194413

約数の個数: 240

約数和(自身を含む): 82431822240

約数和(自身を除く): 61858960560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 2160, 2205, 2352, 2520, 2646, 2940, 3024, 3528, 3780, 3920, 4410, 5040, 5292, 5880, 6615, 7056, 7560, 8820, 10584, 11760, 13230, 15120, 17640, 21168, 26460, 35280, 52920, 105840, 194377, 388754, 583131, 777508, 971885, 1166262, 1360639, 1555016, 1749393, 1943770, 2332524, 2721278, 2915655, 3110032, 3498786, 3887540, 4081917, 4665048, 5248179, 5442556, 5831310, 6803195, 6997572, 7775080, 8163834, 8746965, 9330096, 9524473, 10496358, 10885112, 11662620, 12245751, 13606390, 13995144, 15550160, 16327668, 17493930, 19048946, 20409585, 20992716, 21770224, 23325240, 24491502, 26240895, 27212780, 27990288, 28573419, 32655336, 34987860, 36737253, 38097892, 40819170, 41985432, 46650480, 47622365, 48983004, 52481790, 54425560, 57146838, 61228755, 65310672, 69975720, 73474506, 76195784, 81638340, 83970864, 85720257, 95244730, 97966008, 104963580, 108851120, 114293676, 122457510, 139951440, 142867095, 146949012, 152391568, 163276680, 171440514, 183686265, 190489460, 195932016, 209927160, 228587352, 244915020, 257160771, 285734190, 293898024, 326553360, 342881028, 367372530, 380978920, 419854320, 428601285, 457174704, 489830040, 514321542, 571468380, 587796048, 685762056, 734745060, 761957840, 857202570, 979660080, 1028643084, 1142936760, 1285803855, 1371524112, 1469490120, 1714405140, 2057286168, 2285873520, 2571607710, 2938980240, 3428810280, 4114572336, 5143215420, 6857620560, 10286430840, 20572861680]

約数ペア:

[(1, 20572861680), (2, 10286430840), (3, 6857620560), (4, 5143215420), (5, 4114572336), (6, 3428810280), (7, 2938980240), (8, 2571607710), (9, 2285873520), (10, 2057286168), (12, 1714405140), (14, 1469490120), (15, 1371524112), (16, 1285803855), (18, 1142936760), (20, 1028643084), (21, 979660080), (24, 857202570), (27, 761957840), (28, 734745060), (30, 685762056), (35, 587796048), (36, 571468380), (40, 514321542), (42, 489830040), (45, 457174704), (48, 428601285), (49, 419854320), (54, 380978920), (56, 367372530), (60, 342881028), (63, 326553360), (70, 293898024), (72, 285734190), (80, 257160771), (84, 244915020), (90, 228587352), (98, 209927160), (105, 195932016), (108, 190489460), (112, 183686265), (120, 171440514), (126, 163276680), (135, 152391568), (140, 146949012), (144, 142867095), (147, 139951440), (168, 122457510), (180, 114293676), (189, 108851120), (196, 104963580), (210, 97966008), (216, 95244730), (240, 85720257), (245, 83970864), (252, 81638340), (270, 76195784), (280, 73474506), (294, 69975720), (315, 65310672), (336, 61228755), (360, 57146838), (378, 54425560), (392, 52481790), (420, 48983004), (432, 47622365), (441, 46650480), (490, 41985432), (504, 40819170), (540, 38097892), (560, 36737253), (588, 34987860), (630, 32655336), (720, 28573419), (735, 27990288), (756, 27212780), (784, 26240895), (840, 24491502), (882, 23325240), (945, 21770224), (980, 20992716), (1008, 20409585), (1080, 19048946), (1176, 17493930), (1260, 16327668), (1323, 15550160), (1470, 13995144), (1512, 13606390), (1680, 12245751), (1764, 11662620), (1890, 10885112), (1960, 10496358), (2160, 9524473), (2205, 9330096), (2352, 8746965), (2520, 8163834), (2646, 7775080), (2940, 6997572), (3024, 6803195), (3528, 5831310), (3780, 5442556), (3920, 5248179), (4410, 4665048), (5040, 4081917), (5292, 3887540), (5880, 3498786), (6615, 3110032), (7056, 2915655), (7560, 2721278), (8820, 2332524), (10584, 1943770), (11760, 1749393), (13230, 1555016), (15120, 1360639), (17640, 1166262), (21168, 971885), (26460, 777508), (35280, 583131), (52920, 388754), (105840, 194377)]