25988130

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 80668224

約数和(自身を除く): 54680094

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 71, 83, 90, 98, 105, 126, 142, 147, 166, 210, 213, 245, 249, 294, 315, 355, 415, 426, 441, 490, 497, 498, 581, 630, 639, 710, 735, 747, 830, 882, 994, 1065, 1162, 1245, 1278, 1470, 1491, 1494, 1743, 2130, 2205, 2485, 2490, 2905, 2982, 3195, 3479, 3486, 3735, 4067, 4410, 4473, 4970, 5229, 5810, 5893, 6390, 6958, 7455, 7470, 8134, 8715, 8946, 10437, 10458, 11786, 12201, 14910, 17395, 17430, 17679, 20335, 20874, 22365, 24402, 26145, 29465, 31311, 34790, 35358, 36603, 40670, 41251, 44730, 52185, 52290, 53037, 58930, 61005, 62622, 73206, 82502, 88395, 104370, 106074, 122010, 123753, 156555, 176790, 183015, 206255, 247506, 265185, 288757, 313110, 366030, 371259, 412510, 530370, 577514, 618765, 742518, 866271, 1237530, 1443785, 1732542, 1856295, 2598813, 2887570, 3712590, 4331355, 5197626, 8662710, 12994065, 25988130]

約数ペア:

[(1, 25988130), (2, 12994065), (3, 8662710), (5, 5197626), (6, 4331355), (7, 3712590), (9, 2887570), (10, 2598813), (14, 1856295), (15, 1732542), (18, 1443785), (21, 1237530), (30, 866271), (35, 742518), (42, 618765), (45, 577514), (49, 530370), (63, 412510), (70, 371259), (71, 366030), (83, 313110), (90, 288757), (98, 265185), (105, 247506), (126, 206255), (142, 183015), (147, 176790), (166, 156555), (210, 123753), (213, 122010), (245, 106074), (249, 104370), (294, 88395), (315, 82502), (355, 73206), (415, 62622), (426, 61005), (441, 58930), (490, 53037), (497, 52290), (498, 52185), (581, 44730), (630, 41251), (639, 40670), (710, 36603), (735, 35358), (747, 34790), (830, 31311), (882, 29465), (994, 26145), (1065, 24402), (1162, 22365), (1245, 20874), (1278, 20335), (1470, 17679), (1491, 17430), (1494, 17395), (1743, 14910), (2130, 12201), (2205, 11786), (2485, 10458), (2490, 10437), (2905, 8946), (2982, 8715), (3195, 8134), (3479, 7470), (3486, 7455), (3735, 6958), (4067, 6390), (4410, 5893), (4473, 5810), (4970, 5229)]