256653540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{59}}^1$

素因数の和:124

約数の個数: 288

約数和(自身を含む): 935625600

約数和(自身を除く): 678972060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 59, 60, 65, 66, 78, 90, 99, 110, 117, 118, 130, 132, 143, 156, 165, 169, 177, 180, 195, 198, 220, 234, 236, 260, 286, 295, 330, 338, 354, 390, 396, 429, 468, 495, 507, 531, 572, 585, 590, 649, 660, 676, 708, 715, 767, 780, 845, 858, 885, 990, 1014, 1062, 1170, 1180, 1287, 1298, 1430, 1521, 1534, 1690, 1716, 1770, 1859, 1947, 1980, 2028, 2124, 2145, 2197, 2301, 2340, 2535, 2574, 2596, 2655, 2860, 3042, 3068, 3245, 3380, 3540, 3718, 3835, 3894, 4290, 4394, 4602, 5070, 5148, 5310, 5577, 5841, 6084, 6435, 6490, 6591, 6903, 7436, 7605, 7670, 7788, 8437, 8580, 8788, 9204, 9295, 9735, 9971, 10140, 10620, 10985, 11154, 11505, 11682, 12870, 12980, 13182, 13806, 15210, 15340, 16731, 16874, 18590, 19470, 19773, 19942, 21970, 22308, 23010, 23364, 24167, 25311, 25740, 26364, 27612, 27885, 29205, 29913, 30420, 32955, 33462, 33748, 34515, 37180, 38940, 39546, 39884, 42185, 43940, 46020, 48334, 49855, 50622, 55770, 58410, 59826, 65910, 66924, 69030, 72501, 75933, 79092, 83655, 84370, 89739, 96668, 98865, 99710, 101244, 109681, 111540, 116820, 119652, 120835, 126555, 129623, 131820, 138060, 145002, 149565, 151866, 167310, 168740, 179478, 197730, 199420, 217503, 219362, 241670, 253110, 259246, 290004, 299130, 303732, 329043, 334620, 358956, 362505, 379665, 388869, 395460, 435006, 438724, 448695, 483340, 506220, 518492, 548405, 598260, 648115, 658086, 725010, 759330, 777738, 870012, 897390, 987129, 1087515, 1096810, 1166607, 1296230, 1316172, 1425853, 1450020, 1518660, 1555476, 1645215, 1794780, 1944345, 1974258, 2175030, 2193620, 2333214, 2592460, 2851706, 3290430, 3888690, 3948516, 4277559, 4350060, 4666428, 4935645, 5703412, 5833035, 6580860, 7129265, 7777380, 8555118, 9871290, 11666070, 12832677, 14258530, 17110236, 19742580, 21387795, 23332140, 25665354, 28517060, 42775590, 51330708, 64163385, 85551180, 128326770, 256653540]

約数ペア:

[(1, 256653540), (2, 128326770), (3, 85551180), (4, 64163385), (5, 51330708), (6, 42775590), (9, 28517060), (10, 25665354), (11, 23332140), (12, 21387795), (13, 19742580), (15, 17110236), (18, 14258530), (20, 12832677), (22, 11666070), (26, 9871290), (30, 8555118), (33, 7777380), (36, 7129265), (39, 6580860), (44, 5833035), (45, 5703412), (52, 4935645), (55, 4666428), (59, 4350060), (60, 4277559), (65, 3948516), (66, 3888690), (78, 3290430), (90, 2851706), (99, 2592460), (110, 2333214), (117, 2193620), (118, 2175030), (130, 1974258), (132, 1944345), (143, 1794780), (156, 1645215), (165, 1555476), (169, 1518660), (177, 1450020), (180, 1425853), (195, 1316172), (198, 1296230), (220, 1166607), (234, 1096810), (236, 1087515), (260, 987129), (286, 897390), (295, 870012), (330, 777738), (338, 759330), (354, 725010), (390, 658086), (396, 648115), (429, 598260), (468, 548405), (495, 518492), (507, 506220), (531, 483340), (572, 448695), (585, 438724), (590, 435006), (649, 395460), (660, 388869), (676, 379665), (708, 362505), (715, 358956), (767, 334620), (780, 329043), (845, 303732), (858, 299130), (885, 290004), (990, 259246), (1014, 253110), (1062, 241670), (1170, 219362), (1180, 217503), (1287, 199420), (1298, 197730), (1430, 179478), (1521, 168740), (1534, 167310), (1690, 151866), (1716, 149565), (1770, 145002), (1859, 138060), (1947, 131820), (1980, 129623), (2028, 126555), (2124, 120835), (2145, 119652), (2197, 116820), (2301, 111540), (2340, 109681), (2535, 101244), (2574, 99710), (2596, 98865), (2655, 96668), (2860, 89739), (3042, 84370), (3068, 83655), (3245, 79092), (3380, 75933), (3540, 72501), (3718, 69030), (3835, 66924), (3894, 65910), (4290, 59826), (4394, 58410), (4602, 55770), (5070, 50622), (5148, 49855), (5310, 48334), (5577, 46020), (5841, 43940), (6084, 42185), (6435, 39884), (6490, 39546), (6591, 38940), (6903, 37180), (7436, 34515), (7605, 33748), (7670, 33462), (7788, 32955), (8437, 30420), (8580, 29913), (8788, 29205), (9204, 27885), (9295, 27612), (9735, 26364), (9971, 25740), (10140, 25311), (10620, 24167), (10985, 23364), (11154, 23010), (11505, 22308), (11682, 21970), (12870, 19942), (12980, 19773), (13182, 19470), (13806, 18590), (15210, 16874), (15340, 16731)]