20122085880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{21391}}^1$

素因数の和:21491

約数の個数: 256

約数和(自身を含む): 73314662400

約数和(自身を除く): 53192576520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 67, 72, 78, 90, 104, 108, 117, 120, 130, 134, 135, 156, 180, 195, 201, 216, 234, 260, 268, 270, 312, 335, 351, 360, 390, 402, 468, 520, 536, 540, 585, 603, 670, 702, 780, 804, 871, 936, 1005, 1080, 1170, 1206, 1340, 1404, 1560, 1608, 1742, 1755, 1809, 2010, 2340, 2412, 2613, 2680, 2808, 3015, 3484, 3510, 3618, 4020, 4355, 4680, 4824, 5226, 6030, 6968, 7020, 7236, 7839, 8040, 8710, 9045, 10452, 12060, 13065, 14040, 14472, 15678, 17420, 18090, 20904, 21391, 23517, 24120, 26130, 31356, 34840, 36180, 39195, 42782, 47034, 52260, 62712, 64173, 72360, 78390, 85564, 94068, 104520, 106955, 117585, 128346, 156780, 171128, 188136, 192519, 213910, 235170, 256692, 278083, 313560, 320865, 385038, 427820, 470340, 513384, 556166, 577557, 641730, 770076, 834249, 855640, 940680, 962595, 1112332, 1155114, 1283460, 1390415, 1433197, 1540152, 1668498, 1925190, 2224664, 2310228, 2502747, 2566920, 2780830, 2866394, 2887785, 3336996, 3850380, 4171245, 4299591, 4620456, 5005494, 5561660, 5732788, 5775570, 6673992, 7165985, 7508241, 7700760, 8342490, 8599182, 10010988, 11123320, 11465576, 11551140, 12513735, 12898773, 14331970, 15016482, 16684980, 17198364, 18631561, 20021976, 21497955, 23102280, 25027470, 25797546, 28663940, 30032964, 33369960, 34396728, 37263122, 37541205, 38696319, 42995910, 50054940, 51595092, 55894683, 57327880, 60065928, 64493865, 74526244, 75082410, 77392638, 85991820, 93157805, 100109880, 103190184, 111789366, 128987730, 149052488, 150164820, 154785276, 167684049, 171983640, 186315610, 193481595, 223578732, 257975460, 279473415, 300329640, 309570552, 335368098, 372631220, 386963190, 447157464, 503052147, 515950920, 558946830, 670736196, 745262440, 773926380, 838420245, 1006104294, 1117893660, 1341472392, 1547852760, 1676840490, 2012208588, 2235787320, 2515260735, 3353680980, 4024417176, 5030521470, 6707361960, 10061042940, 20122085880]

約数ペア:

[(1, 20122085880), (2, 10061042940), (3, 6707361960), (4, 5030521470), (5, 4024417176), (6, 3353680980), (8, 2515260735), (9, 2235787320), (10, 2012208588), (12, 1676840490), (13, 1547852760), (15, 1341472392), (18, 1117893660), (20, 1006104294), (24, 838420245), (26, 773926380), (27, 745262440), (30, 670736196), (36, 558946830), (39, 515950920), (40, 503052147), (45, 447157464), (52, 386963190), (54, 372631220), (60, 335368098), (65, 309570552), (67, 300329640), (72, 279473415), (78, 257975460), (90, 223578732), (104, 193481595), (108, 186315610), (117, 171983640), (120, 167684049), (130, 154785276), (134, 150164820), (135, 149052488), (156, 128987730), (180, 111789366), (195, 103190184), (201, 100109880), (216, 93157805), (234, 85991820), (260, 77392638), (268, 75082410), (270, 74526244), (312, 64493865), (335, 60065928), (351, 57327880), (360, 55894683), (390, 51595092), (402, 50054940), (468, 42995910), (520, 38696319), (536, 37541205), (540, 37263122), (585, 34396728), (603, 33369960), (670, 30032964), (702, 28663940), (780, 25797546), (804, 25027470), (871, 23102280), (936, 21497955), (1005, 20021976), (1080, 18631561), (1170, 17198364), (1206, 16684980), (1340, 15016482), (1404, 14331970), (1560, 12898773), (1608, 12513735), (1742, 11551140), (1755, 11465576), (1809, 11123320), (2010, 10010988), (2340, 8599182), (2412, 8342490), (2613, 7700760), (2680, 7508241), (2808, 7165985), (3015, 6673992), (3484, 5775570), (3510, 5732788), (3618, 5561660), (4020, 5005494), (4355, 4620456), (4680, 4299591), (4824, 4171245), (5226, 3850380), (6030, 3336996), (6968, 2887785), (7020, 2866394), (7236, 2780830), (7839, 2566920), (8040, 2502747), (8710, 2310228), (9045, 2224664), (10452, 1925190), (12060, 1668498), (13065, 1540152), (14040, 1433197), (14472, 1390415), (15678, 1283460), (17420, 1155114), (18090, 1112332), (20904, 962595), (21391, 940680), (23517, 855640), (24120, 834249), (26130, 770076), (31356, 641730), (34840, 577557), (36180, 556166), (39195, 513384), (42782, 470340), (47034, 427820), (52260, 385038), (62712, 320865), (64173, 313560), (72360, 278083), (78390, 256692), (85564, 235170), (94068, 213910), (104520, 192519), (106955, 188136), (117585, 171128), (128346, 156780)]