261875554864

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{8539}}^1$

素因数の和:8680

約数の個数: 240

約数和(自身を含む): 667026196480

約数和(自身を除く): 405150641616

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 73, 77, 88, 112, 121, 124, 146, 154, 176, 217, 242, 248, 292, 308, 341, 434, 484, 496, 511, 584, 616, 682, 803, 847, 868, 968, 1022, 1168, 1232, 1364, 1606, 1694, 1736, 1936, 2044, 2263, 2387, 2728, 3212, 3388, 3472, 3751, 4088, 4526, 4774, 5456, 5621, 6424, 6776, 7502, 8176, 8539, 8833, 9052, 9548, 11242, 12848, 13552, 15004, 15841, 17078, 17666, 18104, 19096, 22484, 24893, 26257, 30008, 31682, 34156, 35332, 36208, 38192, 44968, 49786, 52514, 59773, 60016, 61831, 63364, 68312, 70664, 89936, 93929, 99572, 105028, 119546, 123662, 126728, 136624, 141328, 174251, 187858, 199144, 210056, 239092, 247324, 253456, 264709, 273823, 348502, 375716, 398288, 420112, 478184, 494648, 529418, 547646, 623347, 657503, 697004, 751432, 956368, 989296, 1033219, 1058836, 1095292, 1246694, 1315006, 1394008, 1502864, 1852963, 1916761, 2066438, 2117672, 2190584, 2493388, 2630012, 2788016, 2911799, 3705926, 3833522, 4132876, 4235344, 4363429, 4381168, 4986776, 5260024, 5823598, 6856817, 7232533, 7411852, 7667044, 8265752, 8726858, 9973552, 10520048, 11647196, 13713634, 14465066, 14823704, 15334088, 16531504, 17453716, 19323757, 20382593, 23294392, 27427268, 28930132, 29647408, 30668176, 32029789, 34907432, 38647514, 40765186, 46588784, 47997719, 54854536, 57860264, 64059578, 69814864, 75424987, 77295028, 81530372, 95995438, 109709072, 115720528, 128119156, 135266299, 150849974, 154590056, 163060744, 191990876, 212561327, 224208523, 256238312, 270532598, 301699948, 309180112, 326121488, 383981752, 425122654, 448417046, 512476624, 527974909, 541065196, 603399896, 767963504, 850245308, 896834092, 1055949818, 1082130392, 1206799792, 1487929289, 1700490616, 1793668184, 2111899636, 2164260784, 2338174597, 2975858578, 3400981232, 3587336368, 4223799272, 4676349194, 5951717156, 8447598544, 9352698388, 11903434312, 16367222179, 18705396776, 23806868624, 32734444358, 37410793552, 65468888716, 130937777432, 261875554864]

約数ペア:

[(1, 261875554864), (2, 130937777432), (4, 65468888716), (7, 37410793552), (8, 32734444358), (11, 23806868624), (14, 18705396776), (16, 16367222179), (22, 11903434312), (28, 9352698388), (31, 8447598544), (44, 5951717156), (56, 4676349194), (62, 4223799272), (73, 3587336368), (77, 3400981232), (88, 2975858578), (112, 2338174597), (121, 2164260784), (124, 2111899636), (146, 1793668184), (154, 1700490616), (176, 1487929289), (217, 1206799792), (242, 1082130392), (248, 1055949818), (292, 896834092), (308, 850245308), (341, 767963504), (434, 603399896), (484, 541065196), (496, 527974909), (511, 512476624), (584, 448417046), (616, 425122654), (682, 383981752), (803, 326121488), (847, 309180112), (868, 301699948), (968, 270532598), (1022, 256238312), (1168, 224208523), (1232, 212561327), (1364, 191990876), (1606, 163060744), (1694, 154590056), (1736, 150849974), (1936, 135266299), (2044, 128119156), (2263, 115720528), (2387, 109709072), (2728, 95995438), (3212, 81530372), (3388, 77295028), (3472, 75424987), (3751, 69814864), (4088, 64059578), (4526, 57860264), (4774, 54854536), (5456, 47997719), (5621, 46588784), (6424, 40765186), (6776, 38647514), (7502, 34907432), (8176, 32029789), (8539, 30668176), (8833, 29647408), (9052, 28930132), (9548, 27427268), (11242, 23294392), (12848, 20382593), (13552, 19323757), (15004, 17453716), (15841, 16531504), (17078, 15334088), (17666, 14823704), (18104, 14465066), (19096, 13713634), (22484, 11647196), (24893, 10520048), (26257, 9973552), (30008, 8726858), (31682, 8265752), (34156, 7667044), (35332, 7411852), (36208, 7232533), (38192, 6856817), (44968, 5823598), (49786, 5260024), (52514, 4986776), (59773, 4381168), (60016, 4363429), (61831, 4235344), (63364, 4132876), (68312, 3833522), (70664, 3705926), (89936, 2911799), (93929, 2788016), (99572, 2630012), (105028, 2493388), (119546, 2190584), (123662, 2117672), (126728, 2066438), (136624, 1916761), (141328, 1852963), (174251, 1502864), (187858, 1394008), (199144, 1315006), (210056, 1246694), (239092, 1095292), (247324, 1058836), (253456, 1033219), (264709, 989296), (273823, 956368), (348502, 751432), (375716, 697004), (398288, 657503), (420112, 623347), (478184, 547646), (494648, 529418)]